[INFO] fetching crate mgm 0.5.0-pre.1...
[INFO] checking mgm-0.5.0-pre.1 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate mgm 0.5.0-pre.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate mgm 0.5.0-pre.1
[INFO] finished tweaking crates.io crate mgm 0.5.0-pre.1
[INFO] tweaked toml for crates.io crate mgm 0.5.0-pre.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mgm 0.5.0-pre.1 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages to latest compatible versions
[INFO] [stderr]       Adding aead v0.5.0-pre.2 (available: v0.5.2)
[INFO] [stderr]       Adding cipher v0.3.0 (available: v0.4.4)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding hex-literal v0.2.2 (available: v1.1.0)
[INFO] [stderr]       Adding kuznyechik v0.7.2 (available: v0.8.2)
[INFO] [stderr]       Adding magma v0.7.0 (available: v0.9.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hex-literal v0.2.2
[INFO] [stderr]   Downloaded hex-literal-impl v0.2.3
[INFO] [stderr]   Downloaded magma v0.7.0
[INFO] [stderr]   Downloaded blobby v0.3.1
[INFO] [stderr]   Downloaded aead v0.5.0-pre.2
[INFO] [stderr]   Downloaded kuznyechik v0.7.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c84a98b5fbd74a185b45df968cccd106002c3468fddeb2d4c71dbbd0530692f8
[INFO] running `Command { std: "docker" "start" "-a" "c84a98b5fbd74a185b45df968cccd106002c3468fddeb2d4c71dbbd0530692f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c84a98b5fbd74a185b45df968cccd106002c3468fddeb2d4c71dbbd0530692f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84a98b5fbd74a185b45df968cccd106002c3468fddeb2d4c71dbbd0530692f8", kill_on_drop: false }`
[INFO] [stdout] c84a98b5fbd74a185b45df968cccd106002c3468fddeb2d4c71dbbd0530692f8
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b84aa6372a1d072827e9b50aeb4d820ef01bf523c7e6cf468209fed16c3c05d9
[INFO] running `Command { std: "docker" "start" "-a" "b84aa6372a1d072827e9b50aeb4d820ef01bf523c7e6cf468209fed16c3c05d9", kill_on_drop: false }`
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling hex-literal-impl v0.2.3
[INFO] [stderr]     Checking crypto-common v0.1.7
[INFO] [stderr]     Checking magma v0.7.0
[INFO] [stderr]     Checking kuznyechik v0.7.2
[INFO] [stderr]     Checking aead v0.5.0-pre.2
[INFO] [stderr]     Checking mgm v0.5.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex-literal v0.2.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "b84aa6372a1d072827e9b50aeb4d820ef01bf523c7e6cf468209fed16c3c05d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b84aa6372a1d072827e9b50aeb4d820ef01bf523c7e6cf468209fed16c3c05d9", kill_on_drop: false }`
[INFO] [stdout] b84aa6372a1d072827e9b50aeb4d820ef01bf523c7e6cf468209fed16c3c05d9