[INFO] fetching crate humphrey 0.7.0...
[INFO] checking humphrey-0.7.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate humphrey 0.7.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate humphrey 0.7.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate humphrey 0.7.0
[INFO] finished tweaking crates.io crate humphrey 0.7.0
[INFO] tweaked toml for crates.io crate humphrey 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 75 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding base64 v0.21.7 (available: v0.22.1)
[INFO] [stderr]       Adding core-foundation v0.9.4 (available: v0.10.0)
[INFO] [stderr]       Adding hermit-abi v0.3.9 (available: v0.4.0)
[INFO] [stderr]       Adding rustls v0.21.12 (available: v0.23.13)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (available: v0.8.0)
[INFO] [stderr]       Adding rustls-pemfile v0.2.1 (available: v2.1.3)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (available: v2.1.3)
[INFO] [stderr]       Adding rustls-webpki v0.101.7 (available: v0.102.8)
[INFO] [stderr]       Adding security-framework v2.11.1 (available: v3.0.0)
[INFO] [stderr]       Adding tokio-rustls v0.24.1 (available: v0.26.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (available: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustls-native-certs v0.6.3
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded sct v0.7.1
[INFO] [stderr]   Downloaded rustls-webpki v0.101.7
[INFO] [stderr]   Downloaded rustls v0.21.12
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 274856bb4413b322acd8049250a22f4a62512c0d9fd3939777f26dbd0685ff52
[INFO] running `Command { std: "docker" "start" "-a" "274856bb4413b322acd8049250a22f4a62512c0d9fd3939777f26dbd0685ff52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "274856bb4413b322acd8049250a22f4a62512c0d9fd3939777f26dbd0685ff52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "274856bb4413b322acd8049250a22f4a62512c0d9fd3939777f26dbd0685ff52", kill_on_drop: false }`
[INFO] [stdout] 274856bb4413b322acd8049250a22f4a62512c0d9fd3939777f26dbd0685ff52
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca12be6af2cfc086dc5bd050d60a0774d43497d449ec70208da34fc9ade5533f
[INFO] running `Command { std: "docker" "start" "-a" "ca12be6af2cfc086dc5bd050d60a0774d43497d449ec70208da34fc9ade5533f", kill_on_drop: false }`
[INFO] [stderr]     Checking humphrey v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `CallableTask` is never used
[INFO] [stdout]   --> src/thread/pool.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | trait CallableTask {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CallableTask` is never used
[INFO] [stdout]   --> src/thread/pool.rs:42:7
[INFO] [stdout]    |
[INFO] [stdout] 42 | trait CallableTask {
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ca12be6af2cfc086dc5bd050d60a0774d43497d449ec70208da34fc9ade5533f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca12be6af2cfc086dc5bd050d60a0774d43497d449ec70208da34fc9ade5533f", kill_on_drop: false }`
[INFO] [stdout] ca12be6af2cfc086dc5bd050d60a0774d43497d449ec70208da34fc9ade5533f