[INFO] fetching crate syscall-rs 0.0.3...
[INFO] checking syscall-rs-0.0.3 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate syscall-rs 0.0.3 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate syscall-rs 0.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate syscall-rs 0.0.3
[INFO] tweaked toml for crates.io crate syscall-rs 0.0.3 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate syscall-rs 0.0.3 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate syscall-rs 0.0.3 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e60c1f7bcf01a24648dc6058fded1d763d953db63b3700b5b3ad51a44384168
[INFO] running `Command { std: "docker" "start" "-a" "8e60c1f7bcf01a24648dc6058fded1d763d953db63b3700b5b3ad51a44384168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e60c1f7bcf01a24648dc6058fded1d763d953db63b3700b5b3ad51a44384168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e60c1f7bcf01a24648dc6058fded1d763d953db63b3700b5b3ad51a44384168", kill_on_drop: false }`
[INFO] [stdout] 8e60c1f7bcf01a24648dc6058fded1d763d953db63b3700b5b3ad51a44384168
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 596c5c12778556b35af69896fa9994cabd1a4590dac100f91148db5de5696c2f
[INFO] running `Command { std: "docker" "start" "-a" "596c5c12778556b35af69896fa9994cabd1a4590dac100f91148db5de5696c2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling syscall-rs v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.68s
[INFO] running `Command { std: "docker" "inspect" "596c5c12778556b35af69896fa9994cabd1a4590dac100f91148db5de5696c2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "596c5c12778556b35af69896fa9994cabd1a4590dac100f91148db5de5696c2f", kill_on_drop: false }`
[INFO] [stdout] 596c5c12778556b35af69896fa9994cabd1a4590dac100f91148db5de5696c2f