[INFO] fetching crate arc_ast 0.4.2...
[INFO] checking arc_ast-0.4.2 against master#3139ff09e9d07f7700f8d15ed25a231e29c43627 for pr-121848-3
[INFO] extracting crate arc_ast 0.4.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate arc_ast 0.4.2 on toolchain 3139ff09e9d07f7700f8d15ed25a231e29c43627
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc_ast 0.4.2
[INFO] finished tweaking crates.io crate arc_ast 0.4.2
[INFO] tweaked toml for crates.io crate arc_ast 0.4.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding bigdecimal v0.2.2 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.4.0)
[INFO] [stderr]       Adding linked-hash-map v0.3.0 (latest: v0.5.6)
[INFO] [stderr]       Adding num v0.3.1 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.3.3 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.3.1 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.208)
[INFO] [stderr]       Adding serde-hjson v0.9.1 (latest: v1.0.0)
[INFO] [stderr]       Adding serde_test v0.8.23 (latest: v1.0.177)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-hjson v0.9.1
[INFO] [stderr]   Downloaded serde v0.8.23
[INFO] [stderr]   Downloaded num-rational v0.3.2
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded bigdecimal v0.2.2
[INFO] [stderr]   Downloaded linked-hash-map v0.3.0
[INFO] [stderr]   Downloaded serde_test v0.8.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4290ead1a493dc435f14fdd36ad23f93cea2c100e4252db0310be7d5c87ca152
[INFO] running `Command { std: "docker" "start" "-a" "4290ead1a493dc435f14fdd36ad23f93cea2c100e4252db0310be7d5c87ca152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4290ead1a493dc435f14fdd36ad23f93cea2c100e4252db0310be7d5c87ca152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4290ead1a493dc435f14fdd36ad23f93cea2c100e4252db0310be7d5c87ca152", kill_on_drop: false }`
[INFO] [stdout] 4290ead1a493dc435f14fdd36ad23f93cea2c100e4252db0310be7d5c87ca152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+3139ff09e9d07f7700f8d15ed25a231e29c43627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4205b3fb90e30bf363b741e9fc3447d0e309df14b30a7a1ebf456c5f03a0de8
[INFO] running `Command { std: "docker" "start" "-a" "a4205b3fb90e30bf363b741e9fc3447d0e309df14b30a7a1ebf456c5f03a0de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking bigdecimal v0.2.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking arc_ast v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::parse_format`
[INFO] [stdout]  --> src/ast/statements/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::parse_format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::parse_format`
[INFO] [stdout]  --> src/ast/statements/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::parse_format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc_ast` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc_ast` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a4205b3fb90e30bf363b741e9fc3447d0e309df14b30a7a1ebf456c5f03a0de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4205b3fb90e30bf363b741e9fc3447d0e309df14b30a7a1ebf456c5f03a0de8", kill_on_drop: false }`
[INFO] [stdout] a4205b3fb90e30bf363b741e9fc3447d0e309df14b30a7a1ebf456c5f03a0de8
[INFO] checking arc_ast-0.4.2 against try#a2cff3b7a9661c90ec0d581d3f3a69bb97c11138 for pr-121848-3
[INFO] extracting crate arc_ast 0.4.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate arc_ast 0.4.2 on toolchain a2cff3b7a9661c90ec0d581d3f3a69bb97c11138
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc_ast 0.4.2
[INFO] finished tweaking crates.io crate arc_ast 0.4.2
[INFO] tweaked toml for crates.io crate arc_ast 0.4.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 38 packages to latest compatible versions
[INFO] [stderr]       Adding bigdecimal v0.2.2 (latest: v0.4.5)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.4.0)
[INFO] [stderr]       Adding linked-hash-map v0.3.0 (latest: v0.5.6)
[INFO] [stderr]       Adding num v0.3.1 (latest: v0.4.3)
[INFO] [stderr]       Adding num-bigint v0.3.3 (latest: v0.4.6)
[INFO] [stderr]       Adding num-complex v0.3.1 (latest: v0.4.6)
[INFO] [stderr]       Adding num-rational v0.3.2 (latest: v0.4.2)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.19)
[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.208)
[INFO] [stderr]       Adding serde-hjson v0.9.1 (latest: v1.0.0)
[INFO] [stderr]       Adding serde_test v0.8.23 (latest: v1.0.177)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d81634f74e1d6aa727b21ab7242691949d3bba6471e19deaa8ec2285a5a7b240
[INFO] running `Command { std: "docker" "start" "-a" "d81634f74e1d6aa727b21ab7242691949d3bba6471e19deaa8ec2285a5a7b240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d81634f74e1d6aa727b21ab7242691949d3bba6471e19deaa8ec2285a5a7b240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d81634f74e1d6aa727b21ab7242691949d3bba6471e19deaa8ec2285a5a7b240", kill_on_drop: false }`
[INFO] [stdout] d81634f74e1d6aa727b21ab7242691949d3bba6471e19deaa8ec2285a5a7b240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+a2cff3b7a9661c90ec0d581d3f3a69bb97c11138" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4a879368190e1a030c3424a1ddd08de0e6dab34618c8662d8acd18f52580ba9
[INFO] running `Command { std: "docker" "start" "-a" "e4a879368190e1a030c3424a1ddd08de0e6dab34618c8662d8acd18f52580ba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling serde v1.0.208
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.125
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking bigdecimal v0.2.2
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking arc_ast v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: replaced with `#[rustc_box]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::parse_format`
[INFO] [stdout]  --> src/ast/statements/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::parse_format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::parse_format`
[INFO] [stdout]  --> src/ast/statements/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::utils::parse_format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arc_ast` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arc_ast` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "e4a879368190e1a030c3424a1ddd08de0e6dab34618c8662d8acd18f52580ba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4a879368190e1a030c3424a1ddd08de0e6dab34618c8662d8acd18f52580ba9", kill_on_drop: false }`
[INFO] [stdout] e4a879368190e1a030c3424a1ddd08de0e6dab34618c8662d8acd18f52580ba9
