[INFO] fetching crate mort 0.0.1...
[INFO] checking mort-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mort 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate mort 0.0.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mort 0.0.1
[INFO] finished tweaking crates.io crate mort 0.0.1
[INFO] tweaked toml for crates.io crate mort 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86f0dea9d8997e8be205d4d76e583c91d23f9dd3a1c97a4152a7eb908e0263a
[INFO] running `Command { std: "docker" "start" "-a" "b86f0dea9d8997e8be205d4d76e583c91d23f9dd3a1c97a4152a7eb908e0263a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86f0dea9d8997e8be205d4d76e583c91d23f9dd3a1c97a4152a7eb908e0263a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86f0dea9d8997e8be205d4d76e583c91d23f9dd3a1c97a4152a7eb908e0263a", kill_on_drop: false }`
[INFO] [stdout] b86f0dea9d8997e8be205d4d76e583c91d23f9dd3a1c97a4152a7eb908e0263a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd79bf35b718e505c9ee7efbdb62bb86261b3be7d8506ad4787dfee345c0afc7
[INFO] running `Command { std: "docker" "start" "-a" "dd79bf35b718e505c9ee7efbdb62bb86261b3be7d8506ad4787dfee345c0afc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking mort v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "dd79bf35b718e505c9ee7efbdb62bb86261b3be7d8506ad4787dfee345c0afc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd79bf35b718e505c9ee7efbdb62bb86261b3be7d8506ad4787dfee345c0afc7", kill_on_drop: false }`
[INFO] [stdout] dd79bf35b718e505c9ee7efbdb62bb86261b3be7d8506ad4787dfee345c0afc7