[INFO] fetching crate memchain 0.4.1...
[INFO] checking memchain-0.4.1 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate memchain 0.4.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate memchain 0.4.1 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding derive_more v0.15.0 (latest: v0.99.17)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.81)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.36)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.60)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.60)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]   Downloaded oasis-borsh v0.2.12
[INFO] [stderr]   Downloaded blockchain-traits v0.4.1
[INFO] [stderr]   Downloaded oasis-types v0.4.0
[INFO] [stderr]   Downloaded oasis-borsh-derive v0.2.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d883f6d74e50bdca82eb9684f37cb3b406d6cb6305e109b408882fdd5eb4728
[INFO] running `Command { std: "docker" "start" "-a" "6d883f6d74e50bdca82eb9684f37cb3b406d6cb6305e109b408882fdd5eb4728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d883f6d74e50bdca82eb9684f37cb3b406d6cb6305e109b408882fdd5eb4728", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d883f6d74e50bdca82eb9684f37cb3b406d6cb6305e109b408882fdd5eb4728", kill_on_drop: false }`
[INFO] [stdout] 6d883f6d74e50bdca82eb9684f37cb3b406d6cb6305e109b408882fdd5eb4728
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ee0475414f1534371e8cb1f0943a88ac843a4c40b211f5acfe5c438ded4944b
[INFO] running `Command { std: "docker" "start" "-a" "3ee0475414f1534371e8cb1f0943a88ac843a4c40b211f5acfe5c438ded4944b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling anyhow v1.0.82
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.59
[INFO] [stderr]    Compiling oasis-borsh-derive-internal v0.2.14
[INFO] [stderr]     Checking thiserror v1.0.59
[INFO] [stderr]    Compiling oasis-borsh-derive v0.2.10
[INFO] [stderr]     Checking oasis-borsh v0.2.12
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling derive_more v0.15.0
[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] 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] 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] 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] 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] 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" "3ee0475414f1534371e8cb1f0943a88ac843a4c40b211f5acfe5c438ded4944b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ee0475414f1534371e8cb1f0943a88ac843a4c40b211f5acfe5c438ded4944b", kill_on_drop: false }`
[INFO] [stdout] 3ee0475414f1534371e8cb1f0943a88ac843a4c40b211f5acfe5c438ded4944b
