[INFO] cloning repository https://github.com/awaidler/stdio-utils-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/awaidler/stdio-utils-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawaidler%2Fstdio-utils-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawaidler%2Fstdio-utils-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 22b648038f6448deb495fc2cb885718aaa8f17bd
[INFO] checking awaidler/stdio-utils-rs against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fawaidler%2Fstdio-utils-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/awaidler/stdio-utils-rs on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4/source/.cargo/config
[INFO] started tweaking git repo https://github.com/awaidler/stdio-utils-rs
[INFO] removed workspace from git repo https://github.com/awaidler/stdio-utils-rs
[INFO] finished tweaking git repo https://github.com/awaidler/stdio-utils-rs
[INFO] tweaked toml for git repo https://github.com/awaidler/stdio-utils-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/awaidler/stdio-utils-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded anyhow v1.0.31
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded thiserror-impl v1.0.20
[INFO] [stderr]   Downloaded thiserror v1.0.20
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded oorandom v11.1.2
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] [stderr]   Downloaded js-sys v0.3.41
[INFO] [stderr]   Downloaded web-sys v0.3.41
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9863cbe547838fb27903d32c1e660f0850e41760e06dc3d0e0f8290300bed8b7
[INFO] running `Command { std: "docker" "start" "-a" "9863cbe547838fb27903d32c1e660f0850e41760e06dc3d0e0f8290300bed8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9863cbe547838fb27903d32c1e660f0850e41760e06dc3d0e0f8290300bed8b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9863cbe547838fb27903d32c1e660f0850e41760e06dc3d0e0f8290300bed8b7", kill_on_drop: false }`
[INFO] [stdout] 9863cbe547838fb27903d32c1e660f0850e41760e06dc3d0e0f8290300bed8b7
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e058988fa00b51cd03340e6aeaad29f214c43cebb112245f620b426e4f0cb2ab
[INFO] running `Command { std: "docker" "start" "-a" "e058988fa00b51cd03340e6aeaad29f214c43cebb112245f620b426e4f0cb2ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking serde_json v1.0.56
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking stdio-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "e058988fa00b51cd03340e6aeaad29f214c43cebb112245f620b426e4f0cb2ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e058988fa00b51cd03340e6aeaad29f214c43cebb112245f620b426e4f0cb2ab", kill_on_drop: false }`
[INFO] [stdout] e058988fa00b51cd03340e6aeaad29f214c43cebb112245f620b426e4f0cb2ab