[INFO] fetching crate PrintLib 1.5.2...
[INFO] testing PrintLib-1.5.2 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate PrintLib 1.5.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate PrintLib 1.5.2
[INFO] finished tweaking crates.io crate PrintLib 1.5.2
[INFO] tweaked toml for crates.io crate PrintLib 1.5.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate PrintLib 1.5.2 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3859b5dac302fe17a884f4db9c37edfb17425dc24b106e64947214134768918
[INFO] running `Command { std: "docker" "start" "-a" "a3859b5dac302fe17a884f4db9c37edfb17425dc24b106e64947214134768918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3859b5dac302fe17a884f4db9c37edfb17425dc24b106e64947214134768918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3859b5dac302fe17a884f4db9c37edfb17425dc24b106e64947214134768918", kill_on_drop: false }`
[INFO] [stdout] a3859b5dac302fe17a884f4db9c37edfb17425dc24b106e64947214134768918
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446f7e8fe27d76b5f16287a879549e3b76343ce6bd04318692564c3bd67f19c5
[INFO] running `Command { std: "docker" "start" "-a" "446f7e8fe27d76b5f16287a879549e3b76343ce6bd04318692564c3bd67f19c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling PrintLib v1.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `clr_b` is never read
[INFO] [stdout]    --> src/colorize.rs:490:17
[INFO] [stdout]     |
[INFO] [stdout] 490 |                 clr_b = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PrintLib` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `print_lib`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "446f7e8fe27d76b5f16287a879549e3b76343ce6bd04318692564c3bd67f19c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446f7e8fe27d76b5f16287a879549e3b76343ce6bd04318692564c3bd67f19c5", kill_on_drop: false }`
[INFO] [stdout] 446f7e8fe27d76b5f16287a879549e3b76343ce6bd04318692564c3bd67f19c5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0843847f9222fff3a99f56a84c52c31c5624117400dbafc05945a81e1e0e6dd2
[INFO] running `Command { std: "docker" "start" "-a" "0843847f9222fff3a99f56a84c52c31c5624117400dbafc05945a81e1e0e6dd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling PrintLib v1.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `clr_b` is never read
[INFO] [stdout]    --> src/colorize.rs:490:17
[INFO] [stdout]     |
[INFO] [stdout] 490 |                 clr_b = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `PrintLib` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `print_lib`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `clr_b` is never read
[INFO] [stdout]    --> src/colorize.rs:490:17
[INFO] [stdout]     |
[INFO] [stdout] 490 |                 clr_b = false;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "0843847f9222fff3a99f56a84c52c31c5624117400dbafc05945a81e1e0e6dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0843847f9222fff3a99f56a84c52c31c5624117400dbafc05945a81e1e0e6dd2", kill_on_drop: false }`
[INFO] [stdout] 0843847f9222fff3a99f56a84c52c31c5624117400dbafc05945a81e1e0e6dd2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 039f12f424f8fda8e37fb458a650abac88c3ee5b53208bfcdf1b63e6df009faf
[INFO] running `Command { std: "docker" "start" "-a" "039f12f424f8fda8e37fb458a650abac88c3ee5b53208bfcdf1b63e6df009faf", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `clr_b` is never read
[INFO] [stderr]    --> src/colorize.rs:490:17
[INFO] [stderr]     |
[INFO] [stderr] 490 |                 clr_b = false;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `PrintLib` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `print_lib`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `PrintLib` (lib) generated 2 warnings
[INFO] [stderr] warning: `PrintLib` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/PrintLib-dda0c726ff85fd66)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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]    Doc-tests PrintLib
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[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] running `Command { std: "docker" "inspect" "039f12f424f8fda8e37fb458a650abac88c3ee5b53208bfcdf1b63e6df009faf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039f12f424f8fda8e37fb458a650abac88c3ee5b53208bfcdf1b63e6df009faf", kill_on_drop: false }`
[INFO] [stdout] 039f12f424f8fda8e37fb458a650abac88c3ee5b53208bfcdf1b63e6df009faf