[INFO] fetching crate memchain 0.4.1...
[INFO] checking memchain-0.4.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate memchain 0.4.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate memchain 0.4.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memchain 0.4.1
[INFO] finished tweaking crates.io crate memchain 0.4.1
[INFO] tweaked toml for crates.io crate memchain 0.4.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blockchain-traits v0.4.1
[INFO] [stderr]   Downloaded oasis-borsh v0.2.12
[INFO] [stderr]   Downloaded oasis-types v0.4.0
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded oasis-borsh-derive v0.2.10
[INFO] [stderr]   Downloaded oasis-borsh-derive-internal v0.2.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fbe7b22bedca5aa19b066a5083c2da3daebd144b90d3a1286717d408ae271e59
[INFO] running `Command { std: "docker" "start" "-a" "fbe7b22bedca5aa19b066a5083c2da3daebd144b90d3a1286717d408ae271e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbe7b22bedca5aa19b066a5083c2da3daebd144b90d3a1286717d408ae271e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbe7b22bedca5aa19b066a5083c2da3daebd144b90d3a1286717d408ae271e59", kill_on_drop: false }`
[INFO] [stdout] fbe7b22bedca5aa19b066a5083c2da3daebd144b90d3a1286717d408ae271e59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707935cc16205ff80656b692717f005ffb2ffd6218dc260bb88fda28e04a641c
[INFO] running `Command { std: "docker" "start" "-a" "707935cc16205ff80656b692717f005ffb2ffd6218dc260bb88fda28e04a641c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]     Checking oasis-borsh v0.2.12
[INFO] [stderr]     Checking oasis-types v0.4.0
[INFO] [stderr]     Checking blockchain-traits v0.4.1
[INFO] [stderr]     Checking memchain v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/block.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/block.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/pending_transaction.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/pending_transaction.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |             early_return!(InvalidCallee);
[INFO] [stdout]    |             ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |             early_return!(InvalidCallee);
[INFO] [stdout]    |             ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |             early_return!(InsufficientGas);
[INFO] [stdout]    |             ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |             early_return!(InsufficientGas);
[INFO] [stdout]    |             ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchain` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchain` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "707935cc16205ff80656b692717f005ffb2ffd6218dc260bb88fda28e04a641c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707935cc16205ff80656b692717f005ffb2ffd6218dc260bb88fda28e04a641c", kill_on_drop: false }`
[INFO] [stdout] 707935cc16205ff80656b692717f005ffb2ffd6218dc260bb88fda28e04a641c
[INFO] checking memchain-0.4.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate memchain 0.4.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate memchain 0.4.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memchain 0.4.1
[INFO] finished tweaking crates.io crate memchain 0.4.1
[INFO] tweaked toml for crates.io crate memchain 0.4.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e27a57284a6f51f460c3673bb78ddac30d2739f11572f96b77844a9ebb6430b1
[INFO] running `Command { std: "docker" "start" "-a" "e27a57284a6f51f460c3673bb78ddac30d2739f11572f96b77844a9ebb6430b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e27a57284a6f51f460c3673bb78ddac30d2739f11572f96b77844a9ebb6430b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e27a57284a6f51f460c3673bb78ddac30d2739f11572f96b77844a9ebb6430b1", kill_on_drop: false }`
[INFO] [stdout] e27a57284a6f51f460c3673bb78ddac30d2739f11572f96b77844a9ebb6430b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71820792abbb8c1f6e82c6791e70b6a802d08038adc9ea0dec3f72a2199881a4
[INFO] running `Command { std: "docker" "start" "-a" "71820792abbb8c1f6e82c6791e70b6a802d08038adc9ea0dec3f72a2199881a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]     Checking oasis-borsh v0.2.12
[INFO] [stderr]     Checking oasis-types v0.4.0
[INFO] [stderr]     Checking blockchain-traits v0.4.1
[INFO] [stderr]     Checking memchain v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/block.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/block.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 129 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 60 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:65:20
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 65 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/pending_transaction.rs:74:20
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return box receipt;
[INFO] [stdout]    |                    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 74 |             return Box::new(receipt);
[INFO] [stdout]    |                    ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/pending_transaction.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]    --> src/pending_transaction.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |         box receipt
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Box::new(receipt)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |             early_return!(InvalidCallee);
[INFO] [stdout]    |             ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |             early_return!(InvalidCallee);
[INFO] [stdout]    |             ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |             early_return!(InsufficientGas);
[INFO] [stdout]    |             ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 63 |             early_return!(InsufficientGas);
[INFO] [stdout]    |             ------------------------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |                     early_return!(InsufficientFunds);
[INFO] [stdout]    |                     -------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `box_syntax` has been removed
[INFO] [stdout]   --> src/block.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return box receipt;
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 89 |             None => early_return!(InvalidCallee),
[INFO] [stdout]    |                     ---------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `early_return` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `Box::new()` instead
[INFO] [stdout]    |
[INFO] [stdout] 54 |                 return Box::new(receipt);
[INFO] [stdout]    |                        ~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchain` (lib) due to 13 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 12 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memchain` (lib test) due to 13 previous errors
[INFO] running `Command { std: "docker" "inspect" "71820792abbb8c1f6e82c6791e70b6a802d08038adc9ea0dec3f72a2199881a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71820792abbb8c1f6e82c6791e70b6a802d08038adc9ea0dec3f72a2199881a4", kill_on_drop: false }`
[INFO] [stdout] 71820792abbb8c1f6e82c6791e70b6a802d08038adc9ea0dec3f72a2199881a4
