[INFO] fetching crate calc 0.3.0...
[INFO] checking calc-0.3.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate calc 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate calc 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate calc 0.3.0
[INFO] finished tweaking crates.io crate calc 0.3.0
[INFO] tweaked toml for crates.io crate calc 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate calc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b6c4049fc2ac70df2e75e03a267cb0635f2907c2312a9016dff459e544bec5f
[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" "7b6c4049fc2ac70df2e75e03a267cb0635f2907c2312a9016dff459e544bec5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b6c4049fc2ac70df2e75e03a267cb0635f2907c2312a9016dff459e544bec5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b6c4049fc2ac70df2e75e03a267cb0635f2907c2312a9016dff459e544bec5f", kill_on_drop: false }`
[INFO] [stdout] 7b6c4049fc2ac70df2e75e03a267cb0635f2907c2312a9016dff459e544bec5f
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 4db1fe631e8d074bba28c84ab5c50b3ab4544aa10ebe88cca5f7e9d69c8c1d8f
[INFO] running `Command { std: "docker" "start" "-a" "4db1fe631e8d074bba28c84ab5c50b3ab4544aa10ebe88cca5f7e9d69c8c1d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling pico-args v0.3.4
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking iterext v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking lalrpop-util v0.19.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling lalrpop v0.19.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking num-runtime-fmt v0.1.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling calc v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "4db1fe631e8d074bba28c84ab5c50b3ab4544aa10ebe88cca5f7e9d69c8c1d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db1fe631e8d074bba28c84ab5c50b3ab4544aa10ebe88cca5f7e9d69c8c1d8f", kill_on_drop: false }`
[INFO] [stdout] 4db1fe631e8d074bba28c84ab5c50b3ab4544aa10ebe88cca5f7e9d69c8c1d8f
