[INFO] fetching crate minnow 0.1.0...
[INFO] checking minnow-0.1.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate minnow 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate minnow 0.1.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minnow 0.1.0
[INFO] finished tweaking crates.io crate minnow 0.1.0
[INFO] tweaked toml for crates.io crate minnow 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate minnow 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded minnow-derive v0.1.0
[INFO] [stderr]   Downloaded arithmetic-coding-core v0.3.0
[INFO] [stderr]   Downloaded test-case v2.0.2
[INFO] [stderr]   Downloaded bitstream-io v1.2.0
[INFO] [stderr]   Downloaded arithmetic-coding v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45196ec49ecc2dad28c2f4675246114379e372d79ca81939a8ee997be368ede3
[INFO] running `Command { std: "docker" "start" "-a" "45196ec49ecc2dad28c2f4675246114379e372d79ca81939a8ee997be368ede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45196ec49ecc2dad28c2f4675246114379e372d79ca81939a8ee997be368ede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45196ec49ecc2dad28c2f4675246114379e372d79ca81939a8ee997be368ede3", kill_on_drop: false }`
[INFO] [stdout] 45196ec49ecc2dad28c2f4675246114379e372d79ca81939a8ee997be368ede3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 118121be222d96bdba10ae5ba017e1347b0dc3110bc9fb16338c735cfaf59811
[INFO] running `Command { std: "docker" "start" "-a" "118121be222d96bdba10ae5ba017e1347b0dc3110bc9fb16338c735cfaf59811", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling bitstream-io v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling test-case v2.0.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking arithmetic-coding-core v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling arithmetic-coding v0.3.0
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling minnow-derive v0.1.0
[INFO] [stderr]     Checking minnow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.18s
[INFO] running `Command { std: "docker" "inspect" "118121be222d96bdba10ae5ba017e1347b0dc3110bc9fb16338c735cfaf59811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "118121be222d96bdba10ae5ba017e1347b0dc3110bc9fb16338c735cfaf59811", kill_on_drop: false }`
[INFO] [stdout] 118121be222d96bdba10ae5ba017e1347b0dc3110bc9fb16338c735cfaf59811
[INFO] checking minnow-0.1.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate minnow 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate minnow 0.1.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minnow 0.1.0
[INFO] finished tweaking crates.io crate minnow 0.1.0
[INFO] tweaked toml for crates.io crate minnow 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate minnow 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e9bc8dd304405cf8c2bb7ef11e0a5be2d50ff6004ca92d7c59f75cc67c2ab98
[INFO] running `Command { std: "docker" "start" "-a" "1e9bc8dd304405cf8c2bb7ef11e0a5be2d50ff6004ca92d7c59f75cc67c2ab98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e9bc8dd304405cf8c2bb7ef11e0a5be2d50ff6004ca92d7c59f75cc67c2ab98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9bc8dd304405cf8c2bb7ef11e0a5be2d50ff6004ca92d7c59f75cc67c2ab98", kill_on_drop: false }`
[INFO] [stdout] 1e9bc8dd304405cf8c2bb7ef11e0a5be2d50ff6004ca92d7c59f75cc67c2ab98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1640443f8b216d8aa69bc23069ebe024c2f7f5bc401232714099ed36687807fa
[INFO] running `Command { std: "docker" "start" "-a" "1640443f8b216d8aa69bc23069ebe024c2f7f5bc401232714099ed36687807fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling bitstream-io v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling test-case v2.0.2
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]     Checking arithmetic-coding-core v0.3.0
[INFO] [stderr]     Checking arithmetic-coding v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling minnow-derive v0.1.0
[INFO] [stderr]     Checking minnow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BoundedModel` is never used
[INFO] [stdout]  --> src/bounded_model.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait BoundedModel {
[INFO] [stdout]   |           ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Codec` is never used
[INFO] [stdout]   --> src/bounded_model.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait Codec<M>
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.29s
[INFO] running `Command { std: "docker" "inspect" "1640443f8b216d8aa69bc23069ebe024c2f7f5bc401232714099ed36687807fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1640443f8b216d8aa69bc23069ebe024c2f7f5bc401232714099ed36687807fa", kill_on_drop: false }`
[INFO] [stdout] 1640443f8b216d8aa69bc23069ebe024c2f7f5bc401232714099ed36687807fa