[INFO] fetching crate optimization 0.2.0...
[INFO] checking optimization-0.2.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate optimization 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate optimization 0.2.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optimization 0.2.0
[INFO] finished tweaking crates.io crate optimization 0.2.0
[INFO] tweaked toml for crates.io crate optimization 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate optimization 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b295c1005c92ecc66f8f1b46fb1802de6306faa2dbf99f41ec8c7bd4407e2f6a
[INFO] running `Command { std: "docker" "start" "-a" "b295c1005c92ecc66f8f1b46fb1802de6306faa2dbf99f41ec8c7bd4407e2f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b295c1005c92ecc66f8f1b46fb1802de6306faa2dbf99f41ec8c7bd4407e2f6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b295c1005c92ecc66f8f1b46fb1802de6306faa2dbf99f41ec8c7bd4407e2f6a", kill_on_drop: false }`
[INFO] [stdout] b295c1005c92ecc66f8f1b46fb1802de6306faa2dbf99f41ec8c7bd4407e2f6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4123d8dc9fb1439031e152d9f492e99bc3f4678199c31c62d4958d8ec7b965a3
[INFO] running `Command { std: "docker" "start" "-a" "4123d8dc9fb1439031e152d9f492e99bc3f4678199c31c62d4958d8ec7b965a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking optimization v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.28s
[INFO] running `Command { std: "docker" "inspect" "4123d8dc9fb1439031e152d9f492e99bc3f4678199c31c62d4958d8ec7b965a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4123d8dc9fb1439031e152d9f492e99bc3f4678199c31c62d4958d8ec7b965a3", kill_on_drop: false }`
[INFO] [stdout] 4123d8dc9fb1439031e152d9f492e99bc3f4678199c31c62d4958d8ec7b965a3