[INFO] fetching crate cargo-cook 1.0.0...
[INFO] checking cargo-cook-1.0.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate cargo-cook 1.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-cook 1.0.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-cook 1.0.0
[INFO] finished tweaking crates.io crate cargo-cook 1.0.0
[INFO] tweaked toml for crates.io crate cargo-cook 1.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-cook 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 193a81b6012b8da8e13b38d505a385ad58ca5c15d884cdbf7efe7f70ec339329
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "193a81b6012b8da8e13b38d505a385ad58ca5c15d884cdbf7efe7f70ec339329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "193a81b6012b8da8e13b38d505a385ad58ca5c15d884cdbf7efe7f70ec339329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "193a81b6012b8da8e13b38d505a385ad58ca5c15d884cdbf7efe7f70ec339329", kill_on_drop: false }`
[INFO] [stdout] 193a81b6012b8da8e13b38d505a385ad58ca5c15d884cdbf7efe7f70ec339329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7ed4ac11bbcb7f0b65f30c9a69ce3a43d428dd1ecbd2775364971cb0085d3c1
[INFO] running `Command { std: "docker" "start" "-a" "b7ed4ac11bbcb7f0b65f30c9a69ce3a43d428dd1ecbd2775364971cb0085d3c1", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.8+1.0.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.15
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking rpassword v4.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking sysconf v0.3.4
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking ssh2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking cargo-cook v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "b7ed4ac11bbcb7f0b65f30c9a69ce3a43d428dd1ecbd2775364971cb0085d3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ed4ac11bbcb7f0b65f30c9a69ce3a43d428dd1ecbd2775364971cb0085d3c1", kill_on_drop: false }`
[INFO] [stdout] b7ed4ac11bbcb7f0b65f30c9a69ce3a43d428dd1ecbd2775364971cb0085d3c1