[INFO] fetching crate biir 1.2.2...
[INFO] checking biir-1.2.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate biir 1.2.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate biir 1.2.2 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 biir 1.2.2
[INFO] finished tweaking crates.io crate biir 1.2.2
[INFO] tweaked toml for crates.io crate biir 1.2.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate biir 1.2.2 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] 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" "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] 51a6e7463021032ebd786226070cf985bef9e138215a4c3f8e2870a27e0eed71
[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" "51a6e7463021032ebd786226070cf985bef9e138215a4c3f8e2870a27e0eed71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51a6e7463021032ebd786226070cf985bef9e138215a4c3f8e2870a27e0eed71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51a6e7463021032ebd786226070cf985bef9e138215a4c3f8e2870a27e0eed71", kill_on_drop: false }`
[INFO] [stdout] 51a6e7463021032ebd786226070cf985bef9e138215a4c3f8e2870a27e0eed71
[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" "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] 5e91a515d67928ee9f8c771d7b10034cc47c22085eb05ab33b2ff77778111d4e
[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" "5e91a515d67928ee9f8c771d7b10034cc47c22085eb05ab33b2ff77778111d4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling test-case v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking biir v1.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `colored::*`
[INFO] [stdout]  --> tests/integration_test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use colored::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::unicodes::*`
[INFO] [stdout]  --> src/traceback/test_traceback.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::unicodes::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.49s
[INFO] running `Command { std: "docker" "inspect" "5e91a515d67928ee9f8c771d7b10034cc47c22085eb05ab33b2ff77778111d4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e91a515d67928ee9f8c771d7b10034cc47c22085eb05ab33b2ff77778111d4e", kill_on_drop: false }`
[INFO] [stdout] 5e91a515d67928ee9f8c771d7b10034cc47c22085eb05ab33b2ff77778111d4e