[INFO] fetching crate wei-log 0.2.12...
[INFO] checking wei-log-0.2.12 against master#191df20fcad9331d3a948aa8e8556775ec3fe69d for pr-133502-3
[INFO] extracting crate wei-log 0.2.12 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate wei-log 0.2.12 on toolchain 191df20fcad9331d3a948aa8e8556775ec3fe69d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+191df20fcad9331d3a948aa8e8556775ec3fe69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wei-log 0.2.12
[INFO] finished tweaking crates.io crate wei-log 0.2.12
[INFO] tweaked toml for crates.io crate wei-log 0.2.12 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+191df20fcad9331d3a948aa8e8556775ec3fe69d" "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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+191df20fcad9331d3a948aa8e8556775ec3fe69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+191df20fcad9331d3a948aa8e8556775ec3fe69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31a03e3b1ac0c2be7a148331335e9447f87a247d2f561946e2ae20680190c6dc
[INFO] running `Command { std: "docker" "start" "-a" "31a03e3b1ac0c2be7a148331335e9447f87a247d2f561946e2ae20680190c6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a03e3b1ac0c2be7a148331335e9447f87a247d2f561946e2ae20680190c6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a03e3b1ac0c2be7a148331335e9447f87a247d2f561946e2ae20680190c6dc", kill_on_drop: false }`
[INFO] [stdout] 31a03e3b1ac0c2be7a148331335e9447f87a247d2f561946e2ae20680190c6dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+191df20fcad9331d3a948aa8e8556775ec3fe69d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94c8ae9e4001bf9ec633c6115f905234e0d13175f1f97c01d07df1859b60475d
[INFO] running `Command { std: "docker" "start" "-a" "94c8ae9e4001bf9ec633c6115f905234e0d13175f1f97c01d07df1859b60475d", kill_on_drop: false }`
[INFO] [stderr]     Checking iana-time-zone v0.1.63
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking wei-log v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 |     file.unlock()?;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]     |
[INFO] [stdout] 1   + #![feature(file_lock)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_and_prune_file` is never used
[INFO] [stdout]    --> src/lib.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn write_and_prune_file(path: &str, content: &str, max_lines: usize) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/lib.rs:137:10
[INFO] [stdout]     |
[INFO] [stdout] 137 |     file.unlock()?;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `unlock(...)` to keep using the current method
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(file_lock)]` to the crate attributes to enable `File::unlock`
[INFO] [stdout]     |
[INFO] [stdout] 1   + #![feature(file_lock)]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_and_prune_file` is never used
[INFO] [stdout]    --> src/lib.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn write_and_prune_file(path: &str, content: &str, max_lines: usize) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s
[INFO] running `Command { std: "docker" "inspect" "94c8ae9e4001bf9ec633c6115f905234e0d13175f1f97c01d07df1859b60475d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94c8ae9e4001bf9ec633c6115f905234e0d13175f1f97c01d07df1859b60475d", kill_on_drop: false }`
[INFO] [stdout] 94c8ae9e4001bf9ec633c6115f905234e0d13175f1f97c01d07df1859b60475d