[INFO] fetching crate urlex 0.1.1...
[INFO] checking urlex-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate urlex 0.1.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate urlex 0.1.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate urlex 0.1.1
[INFO] finished tweaking crates.io crate urlex 0.1.1
[INFO] tweaked toml for crates.io crate urlex 0.1.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate urlex 0.1.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anyhow v1.0.26
[INFO] [stderr]   Downloaded aho-corasick v0.7.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ccb74a002a327cf91a2e16709c2e58cd325cdb5f880c38acade17ef29bb714c9
[INFO] running `Command { std: "docker" "start" "-a" "ccb74a002a327cf91a2e16709c2e58cd325cdb5f880c38acade17ef29bb714c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ccb74a002a327cf91a2e16709c2e58cd325cdb5f880c38acade17ef29bb714c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb74a002a327cf91a2e16709c2e58cd325cdb5f880c38acade17ef29bb714c9", kill_on_drop: false }`
[INFO] [stdout] ccb74a002a327cf91a2e16709c2e58cd325cdb5f880c38acade17ef29bb714c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6dec61299b6d33e36ddf311f5ba3112ddaaa9f1a2bb5f5f204abb1cc2be88fe0
[INFO] running `Command { std: "docker" "start" "-a" "6dec61299b6d33e36ddf311f5ba3112ddaaa9f1a2bb5f5f204abb1cc2be88fe0", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking urlex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "6dec61299b6d33e36ddf311f5ba3112ddaaa9f1a2bb5f5f204abb1cc2be88fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dec61299b6d33e36ddf311f5ba3112ddaaa9f1a2bb5f5f204abb1cc2be88fe0", kill_on_drop: false }`
[INFO] [stdout] 6dec61299b6d33e36ddf311f5ba3112ddaaa9f1a2bb5f5f204abb1cc2be88fe0
[INFO] checking urlex-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate urlex 0.1.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate urlex 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate urlex 0.1.1
[INFO] finished tweaking crates.io crate urlex 0.1.1
[INFO] tweaked toml for crates.io crate urlex 0.1.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate urlex 0.1.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc4b50315594c500ac3c18f55db116568dc06e9885923d2446f86603f75fbbb
[INFO] running `Command { std: "docker" "start" "-a" "bdc4b50315594c500ac3c18f55db116568dc06e9885923d2446f86603f75fbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc4b50315594c500ac3c18f55db116568dc06e9885923d2446f86603f75fbbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc4b50315594c500ac3c18f55db116568dc06e9885923d2446f86603f75fbbb", kill_on_drop: false }`
[INFO] [stdout] bdc4b50315594c500ac3c18f55db116568dc06e9885923d2446f86603f75fbbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7674e7e9725da36cf3103a39b7c64ef7ccf25f5fcc68d0ab2fbb2e0777d0b3f5
[INFO] running `Command { std: "docker" "start" "-a" "7674e7e9725da36cf3103a39b7c64ef7ccf25f5fcc68d0ab2fbb2e0777d0b3f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking urlex v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "7674e7e9725da36cf3103a39b7c64ef7ccf25f5fcc68d0ab2fbb2e0777d0b3f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7674e7e9725da36cf3103a39b7c64ef7ccf25f5fcc68d0ab2fbb2e0777d0b3f5", kill_on_drop: false }`
[INFO] [stdout] 7674e7e9725da36cf3103a39b7c64ef7ccf25f5fcc68d0ab2fbb2e0777d0b3f5