[INFO] fetching crate tiny_log 0.2.0...
[INFO] building tiny_log-0.2.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate tiny_log 0.2.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tiny_log 0.2.0
[INFO] finished tweaking crates.io crate tiny_log 0.2.0
[INFO] tweaked toml for crates.io crate tiny_log 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny_log 0.2.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tiny_log 0.2.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebb3553fb01ac85ea331e3fc9a3f628481e712b55242ce2e185f6f5ab990413b
[INFO] running `Command { std: "docker" "start" "-a" "ebb3553fb01ac85ea331e3fc9a3f628481e712b55242ce2e185f6f5ab990413b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebb3553fb01ac85ea331e3fc9a3f628481e712b55242ce2e185f6f5ab990413b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebb3553fb01ac85ea331e3fc9a3f628481e712b55242ce2e185f6f5ab990413b", kill_on_drop: false }`
[INFO] [stdout] ebb3553fb01ac85ea331e3fc9a3f628481e712b55242ce2e185f6f5ab990413b
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75e9d166178ea6f0b59cb6f75253d8ee0495a068bd621c5201e8562c430b4975
[INFO] running `Command { std: "docker" "start" "-a" "75e9d166178ea6f0b59cb6f75253d8ee0495a068bd621c5201e8562c430b4975", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling num_threads v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]    Compiling time v0.3.11
[INFO] [stderr]    Compiling tiny_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.71s
[INFO] running `Command { std: "docker" "inspect" "75e9d166178ea6f0b59cb6f75253d8ee0495a068bd621c5201e8562c430b4975", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e9d166178ea6f0b59cb6f75253d8ee0495a068bd621c5201e8562c430b4975", kill_on_drop: false }`
[INFO] [stdout] 75e9d166178ea6f0b59cb6f75253d8ee0495a068bd621c5201e8562c430b4975
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad092f5e506f1d838e80a624ebf99b87b8d510d70a9c19a5e269999f99ef9ebb
[INFO] running `Command { std: "docker" "start" "-a" "ad092f5e506f1d838e80a624ebf99b87b8d510d70a9c19a5e269999f99ef9ebb", kill_on_drop: false }`
[INFO] [stderr]    Compiling tiny_log v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super`
[INFO] [stdout]    --> src/lib.rs:623:9
[INFO] [stdout]     |
[INFO] [stdout] 623 |     use super::*;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "ad092f5e506f1d838e80a624ebf99b87b8d510d70a9c19a5e269999f99ef9ebb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad092f5e506f1d838e80a624ebf99b87b8d510d70a9c19a5e269999f99ef9ebb", kill_on_drop: false }`
[INFO] [stdout] ad092f5e506f1d838e80a624ebf99b87b8d510d70a9c19a5e269999f99ef9ebb