[INFO] fetching crate old_nat 0.1.0...
[INFO] checking old_nat-0.1.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate old_nat 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate old_nat 0.1.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate old_nat 0.1.0
[INFO] finished tweaking crates.io crate old_nat 0.1.0
[INFO] tweaked toml for crates.io crate old_nat 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate old_nat 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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 humansize v1.1.0
[INFO] [stderr]   Downloaded pretty-bytes v0.2.2
[INFO] [stderr]   Downloaded syn v1.0.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47e019dd46ec06edc01a07c716e2bdc45d2e1f44e43b3f9d4dacd20d37403b15
[INFO] running `Command { std: "docker" "start" "-a" "47e019dd46ec06edc01a07c716e2bdc45d2e1f44e43b3f9d4dacd20d37403b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e019dd46ec06edc01a07c716e2bdc45d2e1f44e43b3f9d4dacd20d37403b15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e019dd46ec06edc01a07c716e2bdc45d2e1f44e43b3f9d4dacd20d37403b15", kill_on_drop: false }`
[INFO] [stdout] 47e019dd46ec06edc01a07c716e2bdc45d2e1f44e43b3f9d4dacd20d37403b15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b54d18d0819b5b9e8782d1d01f8aa8df97a32b8975565d9c638854ef25a093
[INFO] running `Command { std: "docker" "start" "-a" "79b54d18d0819b5b9e8782d1d01f8aa8df97a32b8975565d9c638854ef25a093", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking users v0.11.0
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking pretty-bytes v0.2.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking old_nat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
[INFO] running `Command { std: "docker" "inspect" "79b54d18d0819b5b9e8782d1d01f8aa8df97a32b8975565d9c638854ef25a093", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b54d18d0819b5b9e8782d1d01f8aa8df97a32b8975565d9c638854ef25a093", kill_on_drop: false }`
[INFO] [stdout] 79b54d18d0819b5b9e8782d1d01f8aa8df97a32b8975565d9c638854ef25a093