[INFO] cloning repository https://github.com/felipesere/fern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felipesere/fern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Ffern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Ffern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ba839cea42e159ddb23750b27237aee697fd7662
[INFO] checking felipesere/fern against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipesere%2Ffern" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/felipesere/fern
[INFO] finished tweaking git repo https://github.com/felipesere/fern
[INFO] tweaked toml for git repo https://github.com/felipesere/fern written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/felipesere/fern on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/felipesere/fern already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1ed38f748d35aa9d50366fe312aaddae870b7b8aecc22ec12c4e75c81db4de2
[INFO] running `Command { std: "docker" "start" "-a" "d1ed38f748d35aa9d50366fe312aaddae870b7b8aecc22ec12c4e75c81db4de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ed38f748d35aa9d50366fe312aaddae870b7b8aecc22ec12c4e75c81db4de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ed38f748d35aa9d50366fe312aaddae870b7b8aecc22ec12c4e75c81db4de2", kill_on_drop: false }`
[INFO] [stdout] d1ed38f748d35aa9d50366fe312aaddae870b7b8aecc22ec12c4e75c81db4de2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4a3e012e6b54b3a0020874a65b86d2c0d12b96402aaac633d777722cd605442
[INFO] running `Command { std: "docker" "start" "-a" "b4a3e012e6b54b3a0020874a65b86d2c0d12b96402aaac633d777722cd605442", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.48
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking predicates v2.1.0
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking assert_fs v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking fern-run v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.92s
[INFO] running `Command { std: "docker" "inspect" "b4a3e012e6b54b3a0020874a65b86d2c0d12b96402aaac633d777722cd605442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4a3e012e6b54b3a0020874a65b86d2c0d12b96402aaac633d777722cd605442", kill_on_drop: false }`
[INFO] [stdout] b4a3e012e6b54b3a0020874a65b86d2c0d12b96402aaac633d777722cd605442