[INFO] fetching crate cobyla 0.6.0...
[INFO] checking cobyla-0.6.0 against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] extracting crate cobyla 0.6.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate cobyla 0.6.0 on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cobyla 0.6.0
[INFO] finished tweaking crates.io crate cobyla 0.6.0
[INFO] tweaked toml for crates.io crate cobyla 0.6.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate cobyla 0.6.0 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded argmin-observer-slog v0.1.0
[INFO] [stderr]   Downloaded slog-async v2.8.0
[INFO] [stderr]   Downloaded argmin-math v0.4.0
[INFO] [stderr]   Downloaded slog-term v2.9.1
[INFO] [stderr]   Downloaded argmin v0.10.0
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e62edf32e651fa55beb0c4c62c0a7b5cbad295c41fefd1680b3c9bb6e1a3bd4f
[INFO] running `Command { std: "docker" "start" "-a" "e62edf32e651fa55beb0c4c62c0a7b5cbad295c41fefd1680b3c9bb6e1a3bd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e62edf32e651fa55beb0c4c62c0a7b5cbad295c41fefd1680b3c9bb6e1a3bd4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e62edf32e651fa55beb0c4c62c0a7b5cbad295c41fefd1680b3c9bb6e1a3bd4f", kill_on_drop: false }`
[INFO] [stdout] e62edf32e651fa55beb0c4c62c0a7b5cbad295c41fefd1680b3c9bb6e1a3bd4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd57dc65d41fc149f21ce023733cb77560a6a92d234aeb7789343ee0b2a2e6db
[INFO] running `Command { std: "docker" "start" "-a" "bd57dc65d41fc149f21ce023733cb77560a6a92d234aeb7789343ee0b2a2e6db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking argmin-math v0.4.0
[INFO] [stderr]     Checking argmin v0.10.0
[INFO] [stderr]     Checking argmin-observer-slog v0.1.0
[INFO] [stderr]     Checking cobyla v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.19s
[INFO] running `Command { std: "docker" "inspect" "bd57dc65d41fc149f21ce023733cb77560a6a92d234aeb7789343ee0b2a2e6db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd57dc65d41fc149f21ce023733cb77560a6a92d234aeb7789343ee0b2a2e6db", kill_on_drop: false }`
[INFO] [stdout] bd57dc65d41fc149f21ce023733cb77560a6a92d234aeb7789343ee0b2a2e6db