[INFO] fetching crate tiny_log 0.2.0...
[INFO] building tiny_log-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tiny_log 0.2.0 into /workspace/builds/worker-3-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tiny_log 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v1.0.2
[INFO] [stderr]   Downloaded ryu v1.0.10
[INFO] [stderr]   Downloaded serde_json v1.0.82
[INFO] [stderr]   Downloaded serde v1.0.139
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded time v0.3.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ccefa3d14f357e4c2d0f8b0932a50e1d4e4076d29c849eb8f45b9bd8f544cef
[INFO] running `Command { std: "docker" "start" "-a" "4ccefa3d14f357e4c2d0f8b0932a50e1d4e4076d29c849eb8f45b9bd8f544cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ccefa3d14f357e4c2d0f8b0932a50e1d4e4076d29c849eb8f45b9bd8f544cef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ccefa3d14f357e4c2d0f8b0932a50e1d4e4076d29c849eb8f45b9bd8f544cef", kill_on_drop: false }`
[INFO] [stdout] 4ccefa3d14f357e4c2d0f8b0932a50e1d4e4076d29c849eb8f45b9bd8f544cef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4257655cbc40212705e645497b64717d84a341e0a9f6590ad39a3d575f0fcd
[INFO] running `Command { std: "docker" "start" "-a" "cb4257655cbc40212705e645497b64717d84a341e0a9f6590ad39a3d575f0fcd", 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 itoa v1.0.2
[INFO] [stderr]    Compiling ryu v1.0.10
[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 6.78s
[INFO] running `Command { std: "docker" "inspect" "cb4257655cbc40212705e645497b64717d84a341e0a9f6590ad39a3d575f0fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4257655cbc40212705e645497b64717d84a341e0a9f6590ad39a3d575f0fcd", kill_on_drop: false }`
[INFO] [stdout] cb4257655cbc40212705e645497b64717d84a341e0a9f6590ad39a3d575f0fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a97ce4a38de9280b97331192273db616d96595a4a155e4c61b14444488a8085e
[INFO] running `Command { std: "docker" "start" "-a" "a97ce4a38de9280b97331192273db616d96595a4a155e4c61b14444488a8085e", 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 0.76s
[INFO] running `Command { std: "docker" "inspect" "a97ce4a38de9280b97331192273db616d96595a4a155e4c61b14444488a8085e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a97ce4a38de9280b97331192273db616d96595a4a155e4c61b14444488a8085e", kill_on_drop: false }`
[INFO] [stdout] a97ce4a38de9280b97331192273db616d96595a4a155e4c61b14444488a8085e
