[INFO] fetching crate notnow 0.2.6...
[INFO] checking notnow-0.2.6 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate notnow 0.2.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate notnow 0.2.6 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notnow 0.2.6
[INFO] finished tweaking crates.io crate notnow 0.2.6
[INFO] tweaked toml for crates.io crate notnow 0.2.6 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate notnow 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded tokio v1.10.0
[INFO] [stderr]   Downloaded cell v0.1.8
[INFO] [stderr]   Downloaded coredump v0.1.1
[INFO] [stderr]   Downloaded gui-derive v0.6.0
[INFO] [stderr]   Downloaded rline v0.3.0
[INFO] [stderr]   Downloaded rbuf v0.1.3
[INFO] [stderr]   Downloaded gui v0.6.0
[INFO] [stderr]   Downloaded uid v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 873997ddc2eee41d12512dd0c6eea6fdbc97d13976d244d7b9ea4aee5da421d3
[INFO] running `Command { std: "docker" "start" "-a" "873997ddc2eee41d12512dd0c6eea6fdbc97d13976d244d7b9ea4aee5da421d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "873997ddc2eee41d12512dd0c6eea6fdbc97d13976d244d7b9ea4aee5da421d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "873997ddc2eee41d12512dd0c6eea6fdbc97d13976d244d7b9ea4aee5da421d3", kill_on_drop: false }`
[INFO] [stdout] 873997ddc2eee41d12512dd0c6eea6fdbc97d13976d244d7b9ea4aee5da421d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ffb4710afd454b30bcb02fa30402544cc9c0e21ca7dd1f66efb69ba544ac6de
[INFO] running `Command { std: "docker" "start" "-a" "4ffb4710afd454b30bcb02fa30402544cc9c0e21ca7dd1f66efb69ba544ac6de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking rbuf v0.1.3
[INFO] [stderr]     Checking uid v0.1.5
[INFO] [stderr]     Checking cell v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling tokio v1.10.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling gui-derive v0.6.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking gui v0.6.0
[INFO] [stderr]     Checking notnow v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.71s
[INFO] running `Command { std: "docker" "inspect" "4ffb4710afd454b30bcb02fa30402544cc9c0e21ca7dd1f66efb69ba544ac6de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ffb4710afd454b30bcb02fa30402544cc9c0e21ca7dd1f66efb69ba544ac6de", kill_on_drop: false }`
[INFO] [stdout] 4ffb4710afd454b30bcb02fa30402544cc9c0e21ca7dd1f66efb69ba544ac6de