[INFO] fetching crate irrc 0.1.0-rc.1...
[INFO] checking irrc-0.1.0-rc.1 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate irrc 0.1.0-rc.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate irrc 0.1.0-rc.1 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate irrc 0.1.0-rc.1
[INFO] finished tweaking crates.io crate irrc 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate irrc 0.1.0-rc.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate irrc 0.1.0-rc.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44323edbfe0139da4f9b904efb1239bb55042dffad614bd6a87ce22db5e083be
[INFO] running `Command { std: "docker" "start" "-a" "44323edbfe0139da4f9b904efb1239bb55042dffad614bd6a87ce22db5e083be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44323edbfe0139da4f9b904efb1239bb55042dffad614bd6a87ce22db5e083be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44323edbfe0139da4f9b904efb1239bb55042dffad614bd6a87ce22db5e083be", kill_on_drop: false }`
[INFO] [stdout] 44323edbfe0139da4f9b904efb1239bb55042dffad614bd6a87ce22db5e083be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ad64e3832e6b7f6fcc955d71736e49a56c65e8e9acf95babc5f96b4ac1e977e
[INFO] running `Command { std: "docker" "start" "-a" "4ad64e3832e6b7f6fcc955d71736e49a56c65e8e9acf95babc5f96b4ac1e977e", 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] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.128
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling minimal-lexical v0.1.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking simple_logger v1.13.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking prefixset v0.1.0-rc.2
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking irrc v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.33s
[INFO] running `Command { std: "docker" "inspect" "4ad64e3832e6b7f6fcc955d71736e49a56c65e8e9acf95babc5f96b4ac1e977e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad64e3832e6b7f6fcc955d71736e49a56c65e8e9acf95babc5f96b4ac1e977e", kill_on_drop: false }`
[INFO] [stdout] 4ad64e3832e6b7f6fcc955d71736e49a56c65e8e9acf95babc5f96b4ac1e977e