[INFO] fetching crate optlib 0.4.0...
[INFO] building optlib-0.4.0 against try#2cd6942e35a7765b6869d3a149ca54f2598b77ad for pr-93180
[INFO] extracting crate optlib 0.4.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate optlib 0.4.0 on toolchain 2cd6942e35a7765b6869d3a149ca54f2598b77ad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optlib 0.4.0
[INFO] finished tweaking crates.io crate optlib 0.4.0
[INFO] tweaked toml for crates.io crate optlib 0.4.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] crate crates.io crate optlib 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded optlib-testfunc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 241b2b27e9106302bebe3b4bde0ff118b710fe1b7ec4c2b86cddf6c19e8019f2
[INFO] running `Command { std: "docker" "start" "-a" "241b2b27e9106302bebe3b4bde0ff118b710fe1b7ec4c2b86cddf6c19e8019f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "241b2b27e9106302bebe3b4bde0ff118b710fe1b7ec4c2b86cddf6c19e8019f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "241b2b27e9106302bebe3b4bde0ff118b710fe1b7ec4c2b86cddf6c19e8019f2", kill_on_drop: false }`
[INFO] [stdout] 241b2b27e9106302bebe3b4bde0ff118b710fe1b7ec4c2b86cddf6c19e8019f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a7f57dc03ce254733e14ba54a51e5766f141b64efa6aa07b885f2fcd33c800
[INFO] running `Command { std: "docker" "start" "-a" "c0a7f57dc03ce254733e14ba54a51e5766f141b64efa6aa07b885f2fcd33c800", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling optlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.21s
[INFO] running `Command { std: "docker" "inspect" "c0a7f57dc03ce254733e14ba54a51e5766f141b64efa6aa07b885f2fcd33c800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a7f57dc03ce254733e14ba54a51e5766f141b64efa6aa07b885f2fcd33c800", kill_on_drop: false }`
[INFO] [stdout] c0a7f57dc03ce254733e14ba54a51e5766f141b64efa6aa07b885f2fcd33c800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+2cd6942e35a7765b6869d3a149ca54f2598b77ad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e755b504aacd756e91baca59e254ac1d9b3aada2fd5f23d284c63a522f97e79c
[INFO] running `Command { std: "docker" "start" "-a" "e755b504aacd756e91baca59e254ac1d9b3aada2fd5f23d284c63a522f97e79c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling optlib-testfunc v0.1.0
[INFO] [stderr]    Compiling optlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "e755b504aacd756e91baca59e254ac1d9b3aada2fd5f23d284c63a522f97e79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e755b504aacd756e91baca59e254ac1d9b3aada2fd5f23d284c63a522f97e79c", kill_on_drop: false }`
[INFO] [stdout] e755b504aacd756e91baca59e254ac1d9b3aada2fd5f23d284c63a522f97e79c