[INFO] fetching crate kn 0.3.3...
[INFO] checking kn-0.3.3 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate kn 0.3.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate kn 0.3.3 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kn 0.3.3
[INFO] finished tweaking crates.io crate kn 0.3.3
[INFO] tweaked toml for crates.io crate kn 0.3.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate kn 0.3.3 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded alphanumeric-sort v1.4.3
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] [stderr]   Downloaded powierza-coefficient v1.0.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce6b09dcb4a4aca6d7ce26ff7243e262547da2f0cf717fb5e96cdc3f8452f71c
[INFO] running `Command { std: "docker" "start" "-a" "ce6b09dcb4a4aca6d7ce26ff7243e262547da2f0cf717fb5e96cdc3f8452f71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6b09dcb4a4aca6d7ce26ff7243e262547da2f0cf717fb5e96cdc3f8452f71c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6b09dcb4a4aca6d7ce26ff7243e262547da2f0cf717fb5e96cdc3f8452f71c", kill_on_drop: false }`
[INFO] [stdout] ce6b09dcb4a4aca6d7ce26ff7243e262547da2f0cf717fb5e96cdc3f8452f71c
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9197157059d03995431b71242c75d7787834bc21632cb4ac59c028df753bd8e
[INFO] running `Command { std: "docker" "start" "-a" "a9197157059d03995431b71242c75d7787834bc21632cb4ac59c028df753bd8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]     Checking powierza-coefficient v1.0.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking alphanumeric-sort v1.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking kn v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `Command { std: "docker" "inspect" "a9197157059d03995431b71242c75d7787834bc21632cb4ac59c028df753bd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9197157059d03995431b71242c75d7787834bc21632cb4ac59c028df753bd8e", kill_on_drop: false }`
[INFO] [stdout] a9197157059d03995431b71242c75d7787834bc21632cb4ac59c028df753bd8e