[INFO] fetching crate polynomial-ring 0.5.0...
[INFO] testing polynomial-ring-0.5.0 against master#9e297bf54d31eb3b30067208ff9af4416945a2ed for pr-125507
[INFO] extracting crate polynomial-ring 0.5.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.5.0 on toolchain 9e297bf54d31eb3b30067208ff9af4416945a2ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-ring 0.5.0
[INFO] finished tweaking crates.io crate polynomial-ring 0.5.0
[INFO] tweaked toml for crates.io crate polynomial-ring 0.5.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding auto-impl-ops v0.1.2 (latest: v0.2.1)
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding ring-algorithm v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded auto-impl-ops v0.1.2
[INFO] [stderr]   Downloaded ring-algorithm v0.6.1
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded rug v1.24.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72d0d6596fc1ed6254bab7708777519bb53c07295976772d3f4e69c8f2965384
[INFO] running `Command { std: "docker" "start" "-a" "72d0d6596fc1ed6254bab7708777519bb53c07295976772d3f4e69c8f2965384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72d0d6596fc1ed6254bab7708777519bb53c07295976772d3f4e69c8f2965384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d0d6596fc1ed6254bab7708777519bb53c07295976772d3f4e69c8f2965384", kill_on_drop: false }`
[INFO] [stdout] 72d0d6596fc1ed6254bab7708777519bb53c07295976772d3f4e69c8f2965384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ca24b12c393e7d785e59a01c8c32293466f8a630a1b34da95c88e676bb0862
[INFO] running `Command { std: "docker" "start" "-a" "44ca24b12c393e7d785e59a01c8c32293466f8a630a1b34da95c88e676bb0862", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ring-algorithm v0.6.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling auto-impl-ops v0.1.2
[INFO] [stderr]    Compiling polynomial-ring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SizedExt` is never used
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait SizedExt: std::marker::Sized + std::fmt::Debug + std::fmt::Display {}
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "44ca24b12c393e7d785e59a01c8c32293466f8a630a1b34da95c88e676bb0862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ca24b12c393e7d785e59a01c8c32293466f8a630a1b34da95c88e676bb0862", kill_on_drop: false }`
[INFO] [stdout] 44ca24b12c393e7d785e59a01c8c32293466f8a630a1b34da95c88e676bb0862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+9e297bf54d31eb3b30067208ff9af4416945a2ed" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7235404e9fd7dc0b0e3e0c679a03d322242b891aa22539e7a32d0957455d66e1
[INFO] running `Command { std: "docker" "start" "-a" "7235404e9fd7dc0b0e3e0c679a03d322242b891aa22539e7a32d0957455d66e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling ring-algorithm v0.6.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling polynomial-ring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stdout] warning: trait `SizedExt` is never used
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait SizedExt: std::marker::Sized + std::fmt::Debug + std::fmt::Display {}
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "7235404e9fd7dc0b0e3e0c679a03d322242b891aa22539e7a32d0957455d66e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7235404e9fd7dc0b0e3e0c679a03d322242b891aa22539e7a32d0957455d66e1", kill_on_drop: false }`
[INFO] [stdout] 7235404e9fd7dc0b0e3e0c679a03d322242b891aa22539e7a32d0957455d66e1
[INFO] testing polynomial-ring-0.5.0 against try#61a9ac64344e91d62f5496627ff363d177f9daab for pr-125507
[INFO] extracting crate polynomial-ring 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate polynomial-ring 0.5.0 on toolchain 61a9ac64344e91d62f5496627ff363d177f9daab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polynomial-ring 0.5.0
[INFO] finished tweaking crates.io crate polynomial-ring 0.5.0
[INFO] tweaked toml for crates.io crate polynomial-ring 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding auto-impl-ops v0.1.2 (latest: v0.2.1)
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (latest: v0.2.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding ring-algorithm v0.6.1 (latest: v0.7.0)
[INFO] [stderr]       Adding strum v0.24.1 (latest: v0.26.2)
[INFO] [stderr]       Adding strum_macros v0.24.3 (latest: v0.26.2)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+61a9ac64344e91d62f5496627ff363d177f9daab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8346d0a304729cc06e844152205a3500a1bd579ad132b7cc9f71a2b939929533
[INFO] running `Command { std: "docker" "start" "-a" "8346d0a304729cc06e844152205a3500a1bd579ad132b7cc9f71a2b939929533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8346d0a304729cc06e844152205a3500a1bd579ad132b7cc9f71a2b939929533", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8346d0a304729cc06e844152205a3500a1bd579ad132b7cc9f71a2b939929533", kill_on_drop: false }`
[INFO] [stdout] 8346d0a304729cc06e844152205a3500a1bd579ad132b7cc9f71a2b939929533
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 116e27946e64dc841378275c410933e894cb8e16e8647a18ed194ee9e0b74b90
[INFO] running `Command { std: "docker" "start" "-a" "116e27946e64dc841378275c410933e894cb8e16e8647a18ed194ee9e0b74b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling ring-algorithm v0.6.1
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling auto-impl-ops v0.1.2
[INFO] [stderr]    Compiling polynomial-ring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SizedExt` is never used
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait SizedExt: std::marker::Sized + std::fmt::Debug + std::fmt::Display {}
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "116e27946e64dc841378275c410933e894cb8e16e8647a18ed194ee9e0b74b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "116e27946e64dc841378275c410933e894cb8e16e8647a18ed194ee9e0b74b90", kill_on_drop: false }`
[INFO] [stdout] 116e27946e64dc841378275c410933e894cb8e16e8647a18ed194ee9e0b74b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 840e0e2d3b5935805bf3d9b2d26808938fbab40c63d1300b4be6e10c921c790c
[INFO] running `Command { std: "docker" "start" "-a" "840e0e2d3b5935805bf3d9b2d26808938fbab40c63d1300b4be6e10c921c790c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling ring-algorithm v0.6.1
[INFO] [stderr]    Compiling polynomial-ring v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `SizedExt` is never used
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait SizedExt: std::marker::Sized + std::fmt::Debug + std::fmt::Display {}
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-bigint v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stdout] warning: trait `SizedExt` is never used
[INFO] [stdout]  --> src/lib.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub trait SizedExt: std::marker::Sized + std::fmt::Debug + std::fmt::Display {}
[INFO] [stdout]   |               ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4m 24s
[INFO] running `Command { std: "docker" "inspect" "840e0e2d3b5935805bf3d9b2d26808938fbab40c63d1300b4be6e10c921c790c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840e0e2d3b5935805bf3d9b2d26808938fbab40c63d1300b4be6e10c921c790c", kill_on_drop: false }`
[INFO] [stdout] 840e0e2d3b5935805bf3d9b2d26808938fbab40c63d1300b4be6e10c921c790c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+61a9ac64344e91d62f5496627ff363d177f9daab" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 95df6d337c89a5f40bd794a20c67ffe3851299ba305a9c4d400ebb5121be6fb8
[INFO] running `Command { std: "docker" "start" "-a" "95df6d337c89a5f40bd794a20c67ffe3851299ba305a9c4d400ebb5121be6fb8", kill_on_drop: false }`
[INFO] [stderr] warning: trait `SizedExt` is never used
[INFO] [stderr]  --> src/lib.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     pub trait SizedExt: std::marker::Sized + std::fmt::Debug + std::fmt::Display {}
[INFO] [stderr]   |               ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `polynomial-ring` (lib) generated 1 warning
[INFO] [stderr] warning: `polynomial-ring` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polynomial_ring-2b931e0172adff66)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-d00e99c91cc8257d)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test add3 ... ok
[INFO] [stdout] test add ... ok
[INFO] [stdout] test add2 ... ok
[INFO] [stdout] test display ... ok
[INFO] [stdout] test neg ... ok
[INFO] [stdout] test product2 ... ok
[INFO] [stdout] test neg2 ... ok
[INFO] [stdout] test display2 ... ok
[INFO] [stdout] test mul ... ok
[INFO] [stdout] test pseudo_division ... ok
[INFO] [stdout] test product ... ok
[INFO] [stdout] test resultant ... ok
[INFO] [stdout] test mul3 ... ok
[INFO] [stdout] test mul2 ... ok
[INFO] [stdout] test scalar_mul ... ok
[INFO] [stdout] test sum ... ok
[INFO] [stdout] test scalar_div ... ok
[INFO] [stdout] test test_eea2 ... ok
[INFO] [stdout] test sub2 ... ok
[INFO] [stdout] test scalar_div2 ... ok
[INFO] [stdout] test test_eea3 ... ok
[INFO] [stdout] test scalar_mul2 ... ok
[INFO] [stdout] test sub3 ... ok
[INFO] [stdout] test sum2 ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stderr]    Doc-tests polynomial_ring
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/lib.rs - Polynomial<R>::derivative (line 224) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::new (line 104) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<M>::from_monomial (line 124) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 21) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::division (line 427) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::monic (line 406) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<K>::square_free (line 471) ... ok
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::primitive_part_mut (line 369) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::eval (line 203) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::resultant (line 309) ... ok
[INFO] [stdout] test src/lib.rs - polynomial (line 149) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::coeffs (line 77) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<R>::pseudo_division (line 253) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lc (line 63) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::deg (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.03s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "95df6d337c89a5f40bd794a20c67ffe3851299ba305a9c4d400ebb5121be6fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95df6d337c89a5f40bd794a20c67ffe3851299ba305a9c4d400ebb5121be6fb8", kill_on_drop: false }`
[INFO] [stdout] 95df6d337c89a5f40bd794a20c67ffe3851299ba305a9c4d400ebb5121be6fb8