[INFO] cloning repository https://github.com/samuelcolvin/rtoml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelcolvin/rtoml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Frtoml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Frtoml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a7f9c228226fe1ff030e1a545226f965edd3b29b
[INFO] checking samuelcolvin/rtoml against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Frtoml" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/samuelcolvin/rtoml on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/samuelcolvin/rtoml
[INFO] finished tweaking git repo https://github.com/samuelcolvin/rtoml
[INFO] tweaked toml for git repo https://github.com/samuelcolvin/rtoml written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/samuelcolvin/rtoml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "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 v1.0.7
[INFO] [stderr]   Downloaded ghost v0.1.1
[INFO] [stderr]   Downloaded syn v1.0.13
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.13.1
[INFO] [stderr]   Downloaded paste v1.0.4
[INFO] [stderr]   Downloaded inventory-impl v0.1.5
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] [stderr]   Downloaded inventory v0.1.5
[INFO] [stderr]   Downloaded pyo3-macros v0.13.1
[INFO] [stderr]   Downloaded pyo3 v0.13.1
[INFO] [stderr]   Downloaded ctor v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f814d4a2027f0e182b73ff294bd86e555090011386dc72de77d99a68c18ec76
[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" "4f814d4a2027f0e182b73ff294bd86e555090011386dc72de77d99a68c18ec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f814d4a2027f0e182b73ff294bd86e555090011386dc72de77d99a68c18ec76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f814d4a2027f0e182b73ff294bd86e555090011386dc72de77d99a68c18ec76", kill_on_drop: false }`
[INFO] [stdout] 4f814d4a2027f0e182b73ff294bd86e555090011386dc72de77d99a68c18ec76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd7ef2a8450beb2f20689b33f7ae282a2514f279d7da97c61fe9f9b2601e4dc4
[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" "dd7ef2a8450beb2f20689b33f7ae282a2514f279d7da97c61fe9f9b2601e4dc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling pyo3 v0.13.1
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling paste v1.0.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling pyo3-macros-backend v0.13.1
[INFO] [stderr]    Compiling ctor v0.1.12
[INFO] [stderr]    Compiling inventory-impl v0.1.5
[INFO] [stderr]    Compiling ghost v0.1.1
[INFO] [stderr]    Compiling pyo3-macros v0.13.1
[INFO] [stderr]     Checking inventory v0.1.5
[INFO] [stderr]     Checking rtoml v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.52s
[INFO] running `Command { std: "docker" "inspect" "dd7ef2a8450beb2f20689b33f7ae282a2514f279d7da97c61fe9f9b2601e4dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7ef2a8450beb2f20689b33f7ae282a2514f279d7da97c61fe9f9b2601e4dc4", kill_on_drop: false }`
[INFO] [stdout] dd7ef2a8450beb2f20689b33f7ae282a2514f279d7da97c61fe9f9b2601e4dc4