[INFO] fetching crate argmin-observer-slog 0.1.0...
[INFO] checking argmin-observer-slog-0.1.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate argmin-observer-slog 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate argmin-observer-slog 0.1.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate argmin-observer-slog 0.1.0
[INFO] finished tweaking crates.io crate argmin-observer-slog 0.1.0
[INFO] tweaked toml for crates.io crate argmin-observer-slog 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 71 packages to latest compatible versions
[INFO] [stderr]       Adding term v0.7.0 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-term v2.9.1
[INFO] [stderr]   Downloaded slog-json v2.6.1
[INFO] [stderr]   Downloaded slog-async v2.8.0
[INFO] [stderr]   Downloaded argmin-math v0.4.0
[INFO] [stderr]   Downloaded argmin v0.10.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53162f60de2a354e09b438569ed17c3ed765a85268f2501910903adfdd4a3e82
[INFO] running `Command { std: "docker" "start" "-a" "53162f60de2a354e09b438569ed17c3ed765a85268f2501910903adfdd4a3e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53162f60de2a354e09b438569ed17c3ed765a85268f2501910903adfdd4a3e82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53162f60de2a354e09b438569ed17c3ed765a85268f2501910903adfdd4a3e82", kill_on_drop: false }`
[INFO] [stdout] 53162f60de2a354e09b438569ed17c3ed765a85268f2501910903adfdd4a3e82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e745052b0a2f992e99b6d88c119c6a9efcd75e09b7e159baf1919765ccb36c6c
[INFO] running `Command { std: "docker" "start" "-a" "e745052b0a2f992e99b6d88c119c6a9efcd75e09b7e159baf1919765ccb36c6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling time-macros v0.2.18
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling slog-async v2.8.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking is-terminal v0.4.13
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking argmin-math v0.4.0
[INFO] [stderr]     Checking argmin v0.10.0
[INFO] [stderr]     Checking slog-term v2.9.1
[INFO] [stderr]     Checking argmin-observer-slog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `Command { std: "docker" "inspect" "e745052b0a2f992e99b6d88c119c6a9efcd75e09b7e159baf1919765ccb36c6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e745052b0a2f992e99b6d88c119c6a9efcd75e09b7e159baf1919765ccb36c6c", kill_on_drop: false }`
[INFO] [stdout] e745052b0a2f992e99b6d88c119c6a9efcd75e09b7e159baf1919765ccb36c6c