[INFO] fetching crate irrc 0.1.0-rc.3...
[INFO] checking irrc-0.1.0-rc.3 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate irrc 0.1.0-rc.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate irrc 0.1.0-rc.3 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irrc 0.1.0-rc.3
[INFO] finished tweaking crates.io crate irrc 0.1.0-rc.3
[INFO] tweaked toml for crates.io crate irrc 0.1.0-rc.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate irrc 0.1.0-rc.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b0352efd23cdbdcf7565cb91447e40d02d3c347868d13a5216ef30fab9e9195
[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" "2b0352efd23cdbdcf7565cb91447e40d02d3c347868d13a5216ef30fab9e9195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0352efd23cdbdcf7565cb91447e40d02d3c347868d13a5216ef30fab9e9195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0352efd23cdbdcf7565cb91447e40d02d3c347868d13a5216ef30fab9e9195", kill_on_drop: false }`
[INFO] [stdout] 2b0352efd23cdbdcf7565cb91447e40d02d3c347868d13a5216ef30fab9e9195
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a60e376eda9c2aa515bd631b835c89c6c7fc9108013a853290e01d817f3cd81c
[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" "a60e376eda9c2aa515bd631b835c89c6c7fc9108013a853290e01d817f3cd81c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking anyhow v1.0.43
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking prefixset v0.1.0-rc.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking rpsl v0.1.0-alpha.1
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking irrc v0.1.0-rc.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.24s
[INFO] running `Command { std: "docker" "inspect" "a60e376eda9c2aa515bd631b835c89c6c7fc9108013a853290e01d817f3cd81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60e376eda9c2aa515bd631b835c89c6c7fc9108013a853290e01d817f3cd81c", kill_on_drop: false }`
[INFO] [stdout] a60e376eda9c2aa515bd631b835c89c6c7fc9108013a853290e01d817f3cd81c