[INFO] fetching crate semver 1.0.25...
[INFO] building semver-1.0.25 against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044
[INFO] extracting crate semver 1.0.25 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate semver 1.0.25 on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate semver 1.0.25
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate semver 1.0.25
[INFO] tweaked toml for crates.io crate semver 1.0.25 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate semver 1.0.25 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" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f3daf1d90ee29d2c89df057b7102376155095c79cb7f0a45e8c8c8b1d849add
[INFO] running `Command { std: "docker" "start" "-a" "7f3daf1d90ee29d2c89df057b7102376155095c79cb7f0a45e8c8c8b1d849add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f3daf1d90ee29d2c89df057b7102376155095c79cb7f0a45e8c8c8b1d849add", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3daf1d90ee29d2c89df057b7102376155095c79cb7f0a45e8c8c8b1d849add", kill_on_drop: false }`
[INFO] [stdout] 7f3daf1d90ee29d2c89df057b7102376155095c79cb7f0a45e8c8c8b1d849add
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d096fec4f4745baa6b063ac42b155c0327e41cdea7d82d0fdc2e2eade2669410
[INFO] running `Command { std: "docker" "start" "-a" "d096fec4f4745baa6b063ac42b155c0327e41cdea7d82d0fdc2e2eade2669410", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "d096fec4f4745baa6b063ac42b155c0327e41cdea7d82d0fdc2e2eade2669410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d096fec4f4745baa6b063ac42b155c0327e41cdea7d82d0fdc2e2eade2669410", kill_on_drop: false }`
[INFO] [stdout] d096fec4f4745baa6b063ac42b155c0327e41cdea7d82d0fdc2e2eade2669410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d951a41a5d9b010a2a31b49dc6e66fe5acf34c0fa7e38b23dc0ad105ab68a833
[INFO] running `Command { std: "docker" "start" "-a" "d951a41a5d9b010a2a31b49dc6e66fe5acf34c0fa7e38b23dc0ad105ab68a833", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "d951a41a5d9b010a2a31b49dc6e66fe5acf34c0fa7e38b23dc0ad105ab68a833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d951a41a5d9b010a2a31b49dc6e66fe5acf34c0fa7e38b23dc0ad105ab68a833", kill_on_drop: false }`
[INFO] [stdout] d951a41a5d9b010a2a31b49dc6e66fe5acf34c0fa7e38b23dc0ad105ab68a833