[INFO] fetching crate navi 2.9.0...
[INFO] checking navi-2.9.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate navi 2.9.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate navi 2.9.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate navi 2.9.0
[INFO] finished tweaking crates.io crate navi 2.9.0
[INFO] tweaked toml for crates.io crate navi 2.9.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate navi 2.9.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "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 anyhow v1.0.27
[INFO] [stderr]   Downloaded thiserror v1.0.12
[INFO] [stderr]   Downloaded terminal_size v0.1.10
[INFO] [stderr]   Downloaded derive_more v0.14.1
[INFO] [stderr]   Downloaded raw_tty v0.1.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.12
[INFO] [stderr]   Downloaded shellwords v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3dd71ccbbc28d49a9c0097362f0b9c24265a0f58b4ce42c6a62999ed76c8d5a
[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" "f3dd71ccbbc28d49a9c0097362f0b9c24265a0f58b4ce42c6a62999ed76c8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3dd71ccbbc28d49a9c0097362f0b9c24265a0f58b4ce42c6a62999ed76c8d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3dd71ccbbc28d49a9c0097362f0b9c24265a0f58b4ce42c6a62999ed76c8d5a", kill_on_drop: false }`
[INFO] [stdout] f3dd71ccbbc28d49a9c0097362f0b9c24265a0f58b4ce42c6a62999ed76c8d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c6436638e40cc99135f048185ae61b9887c76dbaef5adf1a8ddf448f93f696d
[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" "6c6436638e40cc99135f048185ae61b9887c76dbaef5adf1a8ddf448f93f696d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]    Compiling anyhow v1.0.27
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking terminal_size v0.1.10
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking shellwords v1.0.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.12
[INFO] [stderr]    Compiling structopt-derive v0.4.4
[INFO] [stderr]     Checking raw_tty v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.12
[INFO] [stderr]     Checking structopt v0.3.11
[INFO] [stderr]     Checking navi v2.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.06s
[INFO] running `Command { std: "docker" "inspect" "6c6436638e40cc99135f048185ae61b9887c76dbaef5adf1a8ddf448f93f696d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c6436638e40cc99135f048185ae61b9887c76dbaef5adf1a8ddf448f93f696d", kill_on_drop: false }`
[INFO] [stdout] 6c6436638e40cc99135f048185ae61b9887c76dbaef5adf1a8ddf448f93f696d