[INFO] cloning repository https://github.com/gamma-delta/ruth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gamma-delta/ruth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fruth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fruth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c5732a687de345e512b7cc0c70eb34a13810b983
[INFO] checking gamma-delta/ruth against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgamma-delta%2Fruth" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gamma-delta/ruth on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gamma-delta/ruth
[INFO] finished tweaking git repo https://github.com/gamma-delta/ruth
[INFO] tweaked toml for git repo https://github.com/gamma-delta/ruth written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/gamma-delta/ruth already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", 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]  Downloading crates ...
[INFO] [stderr]   Downloaded memmem v0.1.1
[INFO] [stderr]   Downloaded gc_derive v0.4.1
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded gc v0.4.1
[INFO] [stderr]   Downloaded ariadne v0.1.3
[INFO] [stderr]   Downloaded vtparse v0.5.0
[INFO] [stderr]   Downloaded termwiz v0.13.0
[INFO] [stderr]   Downloaded filedescriptor v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] edd6a28b30d563b861cbd0363db9ee5ae87f8ca9dafc1aedf6cefb7d409c8cac
[INFO] running `Command { std: "docker" "start" "-a" "edd6a28b30d563b861cbd0363db9ee5ae87f8ca9dafc1aedf6cefb7d409c8cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "edd6a28b30d563b861cbd0363db9ee5ae87f8ca9dafc1aedf6cefb7d409c8cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd6a28b30d563b861cbd0363db9ee5ae87f8ca9dafc1aedf6cefb7d409c8cac", kill_on_drop: false }`
[INFO] [stdout] edd6a28b30d563b861cbd0363db9ee5ae87f8ca9dafc1aedf6cefb7d409c8cac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] febb3e442d688d41d3eb5dee2e5303baea4b2d75ba7324203b39aa365b5e4601
[INFO] running `Command { std: "docker" "start" "-a" "febb3e442d688d41d3eb5dee2e5303baea4b2d75ba7324203b39aa365b5e4601", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking xi-unicode v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking memmem v0.1.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking bimap v0.6.1
[INFO] [stderr]     Checking pico-args v0.4.2
[INFO] [stderr]     Checking vtparse v0.5.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking ariadne v0.1.3
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking filedescriptor v0.7.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking ordered-float v2.7.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling gc_derive v0.4.1
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking gc v0.4.1
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking termwiz v0.13.0
[INFO] [stderr]     Checking ruth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 29s
[INFO] running `Command { std: "docker" "inspect" "febb3e442d688d41d3eb5dee2e5303baea4b2d75ba7324203b39aa365b5e4601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "febb3e442d688d41d3eb5dee2e5303baea4b2d75ba7324203b39aa365b5e4601", kill_on_drop: false }`
[INFO] [stdout] febb3e442d688d41d3eb5dee2e5303baea4b2d75ba7324203b39aa365b5e4601