[INFO] cloning repository https://github.com/cybear/twograms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cybear/twograms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybear%2Ftwograms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybear%2Ftwograms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 859606227e5ff034e40af8cc5fbb196f8200fe51
[INFO] checking cybear/twograms against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcybear%2Ftwograms" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cybear/twograms on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cybear/twograms
[INFO] finished tweaking git repo https://github.com/cybear/twograms
[INFO] tweaked toml for git repo https://github.com/cybear/twograms written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/cybear/twograms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b56d4469c01096858e74a4c0f7775ba169502e2e6a2554d915f20d1547571ae
[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" "8b56d4469c01096858e74a4c0f7775ba169502e2e6a2554d915f20d1547571ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b56d4469c01096858e74a4c0f7775ba169502e2e6a2554d915f20d1547571ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b56d4469c01096858e74a4c0f7775ba169502e2e6a2554d915f20d1547571ae", kill_on_drop: false }`
[INFO] [stdout] 8b56d4469c01096858e74a4c0f7775ba169502e2e6a2554d915f20d1547571ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 719207c643c114cf8a189e6595dcaa5342f761e0d759153fef0f6d372fbdeed2
[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" "719207c643c114cf8a189e6595dcaa5342f761e0d759153fef0f6d372fbdeed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.69
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.69
[INFO] [stderr]     Checking serde v1.0.119
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking wasm-bindgen v0.2.69
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking js-sys v0.3.46
[INFO] [stderr]     Checking serde-wasm-bindgen v0.1.3
[INFO] [stderr]     Checking twograms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.38s
[INFO] running `Command { std: "docker" "inspect" "719207c643c114cf8a189e6595dcaa5342f761e0d759153fef0f6d372fbdeed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "719207c643c114cf8a189e6595dcaa5342f761e0d759153fef0f6d372fbdeed2", kill_on_drop: false }`
[INFO] [stdout] 719207c643c114cf8a189e6595dcaa5342f761e0d759153fef0f6d372fbdeed2