[INFO] fetching crate dotr 0.4.0...
[INFO] checking dotr-0.4.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate dotr 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dotr 0.4.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotr 0.4.0
[INFO] finished tweaking crates.io crate dotr 0.4.0
[INFO] tweaked toml for crates.io crate dotr 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded term v0.6.1
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded slog-term v2.6.0
[INFO] [stderr]   Downloaded slog v2.7.0
[INFO] [stderr]   Downloaded same-file v0.1.3
[INFO] [stderr]   Downloaded walkdir v1.0.7
[INFO] [stderr]   Downloaded slog-async v2.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db6bdca72ee82b6f7953391a063e80e62a7f5b58f4f016aa29c602588340adf6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "db6bdca72ee82b6f7953391a063e80e62a7f5b58f4f016aa29c602588340adf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db6bdca72ee82b6f7953391a063e80e62a7f5b58f4f016aa29c602588340adf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db6bdca72ee82b6f7953391a063e80e62a7f5b58f4f016aa29c602588340adf6", kill_on_drop: false }`
[INFO] [stdout] db6bdca72ee82b6f7953391a063e80e62a7f5b58f4f016aa29c602588340adf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ef6c21e1817db5e968fce325a9b2ccb5105b2c583478b3f5ae7432b6f9bcc52d
[INFO] running `Command { std: "docker" "start" "-a" "ef6c21e1817db5e968fce325a9b2ccb5105b2c583478b3f5ae7432b6f9bcc52d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking slog-async v2.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking dotr v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.96s
[INFO] running `Command { std: "docker" "inspect" "ef6c21e1817db5e968fce325a9b2ccb5105b2c583478b3f5ae7432b6f9bcc52d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef6c21e1817db5e968fce325a9b2ccb5105b2c583478b3f5ae7432b6f9bcc52d", kill_on_drop: false }`
[INFO] [stdout] ef6c21e1817db5e968fce325a9b2ccb5105b2c583478b3f5ae7432b6f9bcc52d