[INFO] fetching crate prcs 0.1.0...
[INFO] checking prcs-0.1.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate prcs 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate prcs 0.1.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prcs 0.1.0
[INFO] finished tweaking crates.io crate prcs 0.1.0
[INFO] tweaked toml for crates.io crate prcs 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate prcs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d97b9bd04445e2e9412d8597f01601108ed156e43efc1b60a385bcacddb39fa2
[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" "d97b9bd04445e2e9412d8597f01601108ed156e43efc1b60a385bcacddb39fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97b9bd04445e2e9412d8597f01601108ed156e43efc1b60a385bcacddb39fa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97b9bd04445e2e9412d8597f01601108ed156e43efc1b60a385bcacddb39fa2", kill_on_drop: false }`
[INFO] [stdout] d97b9bd04445e2e9412d8597f01601108ed156e43efc1b60a385bcacddb39fa2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] bb6ab7116d2923d553883185680c1729e18ed1819915dbe03343d4601d7bfc77
[INFO] running `Command { std: "docker" "start" "-a" "bb6ab7116d2923d553883185680c1729e18ed1819915dbe03343d4601d7bfc77", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling lexical-core v0.7.5
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.16
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking prcs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking insta v1.7.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.29s
[INFO] running `Command { std: "docker" "inspect" "bb6ab7116d2923d553883185680c1729e18ed1819915dbe03343d4601d7bfc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6ab7116d2923d553883185680c1729e18ed1819915dbe03343d4601d7bfc77", kill_on_drop: false }`
[INFO] [stdout] bb6ab7116d2923d553883185680c1729e18ed1819915dbe03343d4601d7bfc77