[INFO] cloning repository https://github.com/wycats/objectshell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wycats/objectshell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fobjectshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fobjectshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f62266c620b127a07d80b4d7efe8ededf26115
[INFO] checking wycats/objectshell against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwycats%2Fobjectshell" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wycats/objectshell on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-10/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/wycats/objectshell
[INFO] finished tweaking git repo https://github.com/wycats/objectshell
[INFO] tweaked toml for git repo https://github.com/wycats/objectshell written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wycats/objectshell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trash v1.3.0
[INFO] [stderr]   Downloaded serial_test v0.5.1
[INFO] [stderr]   Downloaded fancy-regex v0.3.5
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[INFO] [stderr]   Downloaded minus v3.3.0
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[INFO] [stderr]   Downloaded serial_test_derive v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ece3d6b905a2724c1d0cfa9d758bde02601418a0d5d11821795aae37d0c2a751
[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" "ece3d6b905a2724c1d0cfa9d758bde02601418a0d5d11821795aae37d0c2a751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ece3d6b905a2724c1d0cfa9d758bde02601418a0d5d11821795aae37d0c2a751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ece3d6b905a2724c1d0cfa9d758bde02601418a0d5d11821795aae37d0c2a751", kill_on_drop: false }`
[INFO] [stdout] ece3d6b905a2724c1d0cfa9d758bde02601418a0d5d11821795aae37d0c2a751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c9a3d25439e1c256adb0f06448bee5f45e2327a0559a3e9a9cf3836ba6ed91
[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" "b4c9a3d25439e1c256adb0f06448bee5f45e2327a0559a3e9a9cf3836ba6ed91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
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[INFO] [stderr]    Compiling version_check v0.9.2
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[INFO] [stderr]     Checking smallvec v0.2.1
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[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking directories-next v2.0.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking open v1.6.0
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking nu-table v0.30.1 (/opt/rustwide/workdir/crates/nu-table)
[INFO] [stderr]     Checking titlecase v1.1.0
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking eml-parser v0.1.2
[INFO] [stderr]     Checking fancy-regex v0.3.5
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]     Checking hmac v0.4.2
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking polyval v0.4.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking rawkey v0.1.3
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking ghash v0.3.1
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking aes-gcm v0.8.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling libgit2-sys v0.12.18+1.1.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr] error: could not compile `nix`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name nix --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nix-0.20.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=3726d74626e8d9e7 -C extra-filename=-3726d74626e8d9e7 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-240d294e8e0ea2cd.rmeta --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-4967f2c063bf2af6.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-0b280e953d1526c6.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b4c9a3d25439e1c256adb0f06448bee5f45e2327a0559a3e9a9cf3836ba6ed91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c9a3d25439e1c256adb0f06448bee5f45e2327a0559a3e9a9cf3836ba6ed91", kill_on_drop: false }`
[INFO] [stdout] b4c9a3d25439e1c256adb0f06448bee5f45e2327a0559a3e9a9cf3836ba6ed91