[INFO] cloning repository https://github.com/niticon/rusty_musician
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/niticon/rusty_musician" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniticon%2Frusty_musician", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniticon%2Frusty_musician'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76aec0cb4843493df05ef3dfdc2ea5dffbe19e61
[INFO] checking niticon/rusty_musician against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fniticon%2Frusty_musician" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/niticon/rusty_musician on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/niticon/rusty_musician
[INFO] finished tweaking git repo https://github.com/niticon/rusty_musician
[INFO] tweaked toml for git repo https://github.com/niticon/rusty_musician written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/niticon/rusty_musician already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inline-python v0.6.0
[INFO] [stderr]   Downloaded inline-python-macros v0.5.3
[INFO] [stderr]   Downloaded trybuild v1.0.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c763a7a9d1ab3fcfa0ebe10d869537e0de1f66e96bb1d5ee46ebcdaf84b7f80d
[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" "c763a7a9d1ab3fcfa0ebe10d869537e0de1f66e96bb1d5ee46ebcdaf84b7f80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c763a7a9d1ab3fcfa0ebe10d869537e0de1f66e96bb1d5ee46ebcdaf84b7f80d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c763a7a9d1ab3fcfa0ebe10d869537e0de1f66e96bb1d5ee46ebcdaf84b7f80d", kill_on_drop: false }`
[INFO] [stdout] c763a7a9d1ab3fcfa0ebe10d869537e0de1f66e96bb1d5ee46ebcdaf84b7f80d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b92c1bd78e13bea51ee2396ef2ca1f033404f3343190e7af862c319ca968aff8
[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" "b92c1bd78e13bea51ee2396ef2ca1f033404f3343190e7af862c319ca968aff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling pyo3 v0.11.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling inventory v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]    Compiling pyo3 v0.13.2
[INFO] [stderr]     Checking unindent v0.1.7
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling inline-python-macros v0.5.3
[INFO] [stderr]     Checking inline-python v0.6.0
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.2
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling inventory-impl v0.1.10
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling ghost v0.1.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.13.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rusty-musician v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "b92c1bd78e13bea51ee2396ef2ca1f033404f3343190e7af862c319ca968aff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92c1bd78e13bea51ee2396ef2ca1f033404f3343190e7af862c319ca968aff8", kill_on_drop: false }`
[INFO] [stdout] b92c1bd78e13bea51ee2396ef2ca1f033404f3343190e7af862c319ca968aff8