[INFO] fetching crate bacon 1.1.6...
[INFO] checking bacon-1.1.6 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate bacon 1.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bacon 1.1.6 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bacon 1.1.6
[INFO] finished tweaking crates.io crate bacon 1.1.6
[INFO] tweaked toml for crates.io crate bacon 1.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate bacon 1.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] a57154faf71c0b75ebb7b935fc725b4b83d2661dd15df639b2c17b884d8162d6
[INFO] running `Command { std: "docker" "start" "-a" "a57154faf71c0b75ebb7b935fc725b4b83d2661dd15df639b2c17b884d8162d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57154faf71c0b75ebb7b935fc725b4b83d2661dd15df639b2c17b884d8162d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57154faf71c0b75ebb7b935fc725b4b83d2661dd15df639b2c17b884d8162d6", kill_on_drop: false }`
[INFO] [stdout] a57154faf71c0b75ebb7b935fc725b4b83d2661dd15df639b2c17b884d8162d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 4e7fa56c176bd62fdc42482377d9779f2210e3c7bef5b99d80d78d4c5571139c
[INFO] running `Command { std: "docker" "start" "-a" "4e7fa56c176bd62fdc42482377d9779f2210e3c7bef5b99d80d78d4c5571139c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[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]    Compiling argh_shared v0.1.4
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking minimad v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[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 filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking inotify v0.9.2
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.19.0
[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 cli-log v1.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking notify v5.0.0-pre.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling argh_derive v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking termimad v0.10.0
[INFO] [stderr]     Checking argh v0.1.4
[INFO] [stderr]     Checking serde v1.0.123
[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 v1.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.49s
[INFO] running `Command { std: "docker" "inspect" "4e7fa56c176bd62fdc42482377d9779f2210e3c7bef5b99d80d78d4c5571139c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e7fa56c176bd62fdc42482377d9779f2210e3c7bef5b99d80d78d4c5571139c", kill_on_drop: false }`
[INFO] [stdout] 4e7fa56c176bd62fdc42482377d9779f2210e3c7bef5b99d80d78d4c5571139c