[INFO] fetching crate textwrap 0.13.4...
[INFO] checking textwrap-0.13.4 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate textwrap 0.13.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate textwrap 0.13.4 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate textwrap 0.13.4
[INFO] finished tweaking crates.io crate textwrap 0.13.4
[INFO] tweaked toml for crates.io crate textwrap 0.13.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate textwrap 0.13.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pocket-resources v0.3.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.2
[INFO] [stderr]   Downloaded generator v0.6.24
[INFO] [stderr]   Downloaded tinytemplate v1.2.0
[INFO] [stderr]   Downloaded unic-emoji-char v0.9.0
[INFO] [stderr]   Downloaded lipsum v0.7.0
[INFO] [stderr]   Downloaded loom v0.4.0
[INFO] [stderr]   Downloaded redox_termios v0.1.2
[INFO] [stderr]   Downloaded termion v1.5.6
[INFO] [stderr]   Downloaded version-sync v0.9.2
[INFO] [stderr]   Downloaded hyphenation_commons v0.8.0
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded pulldown-cmark v0.8.0
[INFO] [stderr]   Downloaded fst v0.4.5
[INFO] [stderr]   Downloaded hyphenation v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d13d22896943c509aa6e3fadca4ea428f30b59ec3e47e3e13971f72f508ab526
[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" "d13d22896943c509aa6e3fadca4ea428f30b59ec3e47e3e13971f72f508ab526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d13d22896943c509aa6e3fadca4ea428f30b59ec3e47e3e13971f72f508ab526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d13d22896943c509aa6e3fadca4ea428f30b59ec3e47e3e13971f72f508ab526", kill_on_drop: false }`
[INFO] [stdout] d13d22896943c509aa6e3fadca4ea428f30b59ec3e47e3e13971f72f508ab526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cba35e2fb00cb5475a6c7801ee23f44d38826bbbde4c59c4d8c14f4eba18b0f
[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" "7cba35e2fb00cb5475a6c7801ee23f44d38826bbbde4c59c4d8c14f4eba18b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking smawk v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.2
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking textwrap v0.13.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking unic-emoji-char v0.9.0
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking termion v1.5.6
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking pulldown-cmark v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]     Checking lipsum v0.7.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stdout] error: couldn't read benches/linear.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `textwrap`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7cba35e2fb00cb5475a6c7801ee23f44d38826bbbde4c59c4d8c14f4eba18b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cba35e2fb00cb5475a6c7801ee23f44d38826bbbde4c59c4d8c14f4eba18b0f", kill_on_drop: false }`
[INFO] [stdout] 7cba35e2fb00cb5475a6c7801ee23f44d38826bbbde4c59c4d8c14f4eba18b0f