[INFO] cloning repository https://github.com/alexei-ozerov/mystery-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexei-ozerov/mystery-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexei-ozerov%2Fmystery-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexei-ozerov%2Fmystery-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 83d70262d9d7d23deb8b50caa6be81c2d3fb108a
[INFO] checking alexei-ozerov/mystery-rs against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexei-ozerov%2Fmystery-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexei-ozerov/mystery-rs on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexei-ozerov/mystery-rs
[INFO] finished tweaking git repo https://github.com/alexei-ozerov/mystery-rs
[INFO] tweaked toml for git repo https://github.com/alexei-ozerov/mystery-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/alexei-ozerov/mystery-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8840e9778a5f485396ec4fc9762f8cb2fc080df01fb3239302b5d994e5242086
[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" "8840e9778a5f485396ec4fc9762f8cb2fc080df01fb3239302b5d994e5242086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8840e9778a5f485396ec4fc9762f8cb2fc080df01fb3239302b5d994e5242086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8840e9778a5f485396ec4fc9762f8cb2fc080df01fb3239302b5d994e5242086", kill_on_drop: false }`
[INFO] [stdout] 8840e9778a5f485396ec4fc9762f8cb2fc080df01fb3239302b5d994e5242086
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2312636c629d0e1a27b7650fe82a18871d5cd4234698e72c1f7fd2be0b1f0ae9
[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" "2312636c629d0e1a27b7650fe82a18871d5cd4234698e72c1f7fd2be0b1f0ae9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]     Checking unic-segment v0.7.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling block-cipher-trait v0.6.2
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling aead v0.2.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling polyval v0.3.3
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling hkdf v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ghash v0.2.3
[INFO] [stderr]    Compiling aes v0.3.2
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling aes-gcm v0.5.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking cookie v0.11.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling pear v0.1.4
[INFO] [stderr]     Checking rocket_http v0.4.6
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking tera v0.11.20
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling rocket_codegen v0.4.6
[INFO] [stderr]     Checking rocket v0.4.6
[INFO] [stderr]     Checking rocket_contrib v0.4.6
[INFO] [stderr]     Checking mystery-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "2312636c629d0e1a27b7650fe82a18871d5cd4234698e72c1f7fd2be0b1f0ae9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2312636c629d0e1a27b7650fe82a18871d5cd4234698e72c1f7fd2be0b1f0ae9", kill_on_drop: false }`
[INFO] [stdout] 2312636c629d0e1a27b7650fe82a18871d5cd4234698e72c1f7fd2be0b1f0ae9