[INFO] fetching crate integer-encoding 4.0.2...
[INFO] checking integer-encoding-4.0.2 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate integer-encoding 4.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate integer-encoding 4.0.2 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integer-encoding 4.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate integer-encoding 4.0.2
[INFO] tweaked toml for crates.io crate integer-encoding 4.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate integer-encoding 4.0.2 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" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded futures-core v0.3.21
[INFO] [stderr]   Downloaded futures-macro v0.3.21
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] [stderr]   Downloaded async-trait v0.1.53
[INFO] [stderr]   Downloaded futures-io v0.3.21
[INFO] [stderr]   Downloaded slab v0.4.6
[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded futures-task v0.3.21
[INFO] [stderr]   Downloaded futures-util v0.3.21
[INFO] [stderr]   Downloaded syn v1.0.95
[INFO] [stderr]   Downloaded tokio v1.18.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d3fbcf8177033d475d6f73f6859d0f1abf34fe2c703174f38e434f8b4d1298c
[INFO] running `Command { std: "docker" "start" "-a" "1d3fbcf8177033d475d6f73f6859d0f1abf34fe2c703174f38e434f8b4d1298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3fbcf8177033d475d6f73f6859d0f1abf34fe2c703174f38e434f8b4d1298c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3fbcf8177033d475d6f73f6859d0f1abf34fe2c703174f38e434f8b4d1298c", kill_on_drop: false }`
[INFO] [stdout] 1d3fbcf8177033d475d6f73f6859d0f1abf34fe2c703174f38e434f8b4d1298c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90f2b1d577624db543a70c8330122a8fe0249c05b52f3cd5719499c33de9a53e
[INFO] running `Command { std: "docker" "start" "-a" "90f2b1d577624db543a70c8330122a8fe0249c05b52f3cd5719499c33de9a53e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking integer-encoding v4.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.42s
[INFO] running `Command { std: "docker" "inspect" "90f2b1d577624db543a70c8330122a8fe0249c05b52f3cd5719499c33de9a53e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90f2b1d577624db543a70c8330122a8fe0249c05b52f3cd5719499c33de9a53e", kill_on_drop: false }`
[INFO] [stdout] 90f2b1d577624db543a70c8330122a8fe0249c05b52f3cd5719499c33de9a53e