[INFO] cloning repository https://github.com/Geobert/emile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geobert/emile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeobert%2Femile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeobert%2Femile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e9b74f51d8017e14d8d3cdf0e9cd15abfc63c278
[INFO] checking Geobert/emile against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeobert%2Femile" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Geobert/emile on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Geobert/emile
[INFO] finished tweaking git repo https://github.com/Geobert/emile
[INFO] tweaked toml for git repo https://github.com/Geobert/emile written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/Geobert/emile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.6
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded serde_derive v1.0.102
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded unicode-segmentation v1.5.0
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded toml v0.5.4
[INFO] [stderr]   Downloaded anyhow v1.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83063d0e1ec22bdd8c729d10e395f37eb8f71a8c2c75c92e8fab2e23163906af
[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" "83063d0e1ec22bdd8c729d10e395f37eb8f71a8c2c75c92e8fab2e23163906af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83063d0e1ec22bdd8c729d10e395f37eb8f71a8c2c75c92e8fab2e23163906af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83063d0e1ec22bdd8c729d10e395f37eb8f71a8c2c75c92e8fab2e23163906af", kill_on_drop: false }`
[INFO] [stdout] 83063d0e1ec22bdd8c729d10e395f37eb8f71a8c2c75c92e8fab2e23163906af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37a873e51f99d3ed713361571168f791fc8ef07f41065ee4a585226690be19d3
[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" "37a873e51f99d3ed713361571168f791fc8ef07f41065ee4a585226690be19d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling anyhow v1.0.18
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking toml v0.5.4
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking emile v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.95s
[INFO] running `Command { std: "docker" "inspect" "37a873e51f99d3ed713361571168f791fc8ef07f41065ee4a585226690be19d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a873e51f99d3ed713361571168f791fc8ef07f41065ee4a585226690be19d3", kill_on_drop: false }`
[INFO] [stdout] 37a873e51f99d3ed713361571168f791fc8ef07f41065ee4a585226690be19d3