[INFO] fetching crate bacon 1.1.3...
[INFO] checking bacon-1.1.3 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate bacon 1.1.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate bacon 1.1.3 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bacon 1.1.3
[INFO] finished tweaking crates.io crate bacon 1.1.3
[INFO] tweaked toml for crates.io crate bacon 1.1.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate bacon 1.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a0d052b4cc657e8beb6d8a3ec9300795af605e7b0fc01b79754321c3f9cff3d
[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" "1a0d052b4cc657e8beb6d8a3ec9300795af605e7b0fc01b79754321c3f9cff3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0d052b4cc657e8beb6d8a3ec9300795af605e7b0fc01b79754321c3f9cff3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0d052b4cc657e8beb6d8a3ec9300795af605e7b0fc01b79754321c3f9cff3d", kill_on_drop: false }`
[INFO] [stdout] 1a0d052b4cc657e8beb6d8a3ec9300795af605e7b0fc01b79754321c3f9cff3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4641de109eb00a8cc5e9ecf884f2c66bda3a486d0740dbff961f01b567ceea2
[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" "f4641de109eb00a8cc5e9ecf884f2c66bda3a486d0740dbff961f01b567ceea2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking minimad v0.6.8
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking vte v0.8.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking inotify v0.9.2
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking notify v5.0.0-pre.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking cli-log v0.1.0
[INFO] [stderr]     Checking termimad v0.9.4
[INFO] [stderr]     Checking cargo-platform v0.1.1
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking cargo_metadata v0.12.3
[INFO] [stderr]     Checking bacon v1.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.86s
[INFO] running `Command { std: "docker" "inspect" "f4641de109eb00a8cc5e9ecf884f2c66bda3a486d0740dbff961f01b567ceea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4641de109eb00a8cc5e9ecf884f2c66bda3a486d0740dbff961f01b567ceea2", kill_on_drop: false }`
[INFO] [stdout] f4641de109eb00a8cc5e9ecf884f2c66bda3a486d0740dbff961f01b567ceea2