[INFO] fetching crate coffer 1.0.1...
[INFO] checking coffer-1.0.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate coffer 1.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate coffer 1.0.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffer 1.0.1
[INFO] finished tweaking crates.io crate coffer 1.0.1
[INFO] tweaked toml for crates.io crate coffer 1.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bitvec v0.19.6 (latest: v1.0.1)
[INFO] [stderr]       Adding funty v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding memchr v2.3.4 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v6.2.2 (latest: v7.1.3)
[INFO] [stderr]       Adding radium v0.5.3 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding wyz v0.2.0 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded coffer-macros v1.0.0
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded funty v1.1.0
[INFO] [stderr]   Downloaded nom v6.2.2
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded lexical-core v0.7.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db72b6080076cce15fe00f4f589089931ecdce07e93cc7775a5b8e3f4b7cf181
[INFO] running `Command { std: "docker" "start" "-a" "db72b6080076cce15fe00f4f589089931ecdce07e93cc7775a5b8e3f4b7cf181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db72b6080076cce15fe00f4f589089931ecdce07e93cc7775a5b8e3f4b7cf181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db72b6080076cce15fe00f4f589089931ecdce07e93cc7775a5b8e3f4b7cf181", kill_on_drop: false }`
[INFO] [stdout] db72b6080076cce15fe00f4f589089931ecdce07e93cc7775a5b8e3f4b7cf181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f03140676686081f5894553d193e73a196740bc60186f98f4704c67f85d1353
[INFO] running `Command { std: "docker" "start" "-a" "8f03140676686081f5894553d193e73a196740bc60186f98f4704c67f85d1353", kill_on_drop: false }`
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling nom v6.2.2
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitvec v0.19.6
[INFO] [stderr]    Compiling coffer-macros v1.0.0
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking coffer v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `backtrace` is not a member of trait `Error`
[INFO] [stdout]   --> src/error.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 | /         fn backtrace(&self) -> Option<&Backtrace> {
[INFO] [stdout] 90 | |             Some(&self.trace)
[INFO] [stdout] 91 | |         }
[INFO] [stdout]    | |_________^ not a member of trait `Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `class_sample`
[INFO] [stdout]   --> src/tests/mod.rs:66:53
[INFO] [stdout]    |
[INFO] [stdout] 66 |         static ref SAMPLE: Vec<(String, Vec<u8>)> = class_sample::get_sample_name_bytes(2 * 1024);
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ use of undeclared crate or module `class_sample`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coffer` (lib test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f03140676686081f5894553d193e73a196740bc60186f98f4704c67f85d1353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f03140676686081f5894553d193e73a196740bc60186f98f4704c67f85d1353", kill_on_drop: false }`
[INFO] [stdout] 8f03140676686081f5894553d193e73a196740bc60186f98f4704c67f85d1353
[INFO] checking coffer-1.0.1 against try#dae34b759e282c069aa28752564694effd121a63 for pr-125384
[INFO] extracting crate coffer 1.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate coffer 1.0.1 on toolchain dae34b759e282c069aa28752564694effd121a63
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coffer 1.0.1
[INFO] finished tweaking crates.io crate coffer 1.0.1
[INFO] tweaked toml for crates.io crate coffer 1.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bitvec v0.19.6 (latest: v1.0.1)
[INFO] [stderr]       Adding funty v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.5)
[INFO] [stderr]       Adding indexmap v1.9.3 (latest: v2.2.6)
[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.4)
[INFO] [stderr]       Adding memchr v2.3.4 (latest: v2.7.2)
[INFO] [stderr]       Adding nom v6.2.2 (latest: v7.1.3)
[INFO] [stderr]       Adding radium v0.5.3 (latest: v1.1.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] [stderr]       Adding wyz v0.2.0 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 616ea8c7696d3e84f971ae5b0f3ba9791e84479b03938cf6e94862947b4105a2
[INFO] running `Command { std: "docker" "start" "-a" "616ea8c7696d3e84f971ae5b0f3ba9791e84479b03938cf6e94862947b4105a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616ea8c7696d3e84f971ae5b0f3ba9791e84479b03938cf6e94862947b4105a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616ea8c7696d3e84f971ae5b0f3ba9791e84479b03938cf6e94862947b4105a2", kill_on_drop: false }`
[INFO] [stdout] 616ea8c7696d3e84f971ae5b0f3ba9791e84479b03938cf6e94862947b4105a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+dae34b759e282c069aa28752564694effd121a63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f528a3f087b0879135b7aa9b53cb13722691215f42622768c44969fe1b9e90a9
[INFO] running `Command { std: "docker" "start" "-a" "f528a3f087b0879135b7aa9b53cb13722691215f42622768c44969fe1b9e90a9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "f528a3f087b0879135b7aa9b53cb13722691215f42622768c44969fe1b9e90a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f528a3f087b0879135b7aa9b53cb13722691215f42622768c44969fe1b9e90a9", kill_on_drop: false }`
[INFO] [stdout] f528a3f087b0879135b7aa9b53cb13722691215f42622768c44969fe1b9e90a9