[INFO] cloning repository https://github.com/replicadse/ez_alphabet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/replicadse/ez_alphabet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Fez_alphabet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Fez_alphabet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a381750b66c2134c40de2cb37497502026a4ff5
[INFO] checking replicadse/ez_alphabet/1a381750b66c2134c40de2cb37497502026a4ff5 against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Fez_alphabet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/replicadse/ez_alphabet
[INFO] finished tweaking git repo https://github.com/replicadse/ez_alphabet
[INFO] tweaked toml for git repo https://github.com/replicadse/ez_alphabet written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/replicadse/ez_alphabet on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/replicadse/ez_alphabet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking replicadse/ez_alphabet/1a381750b66c2134c40de2cb37497502026a4ff5 against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Fez_alphabet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/replicadse/ez_alphabet
[INFO] finished tweaking git repo https://github.com/replicadse/ez_alphabet
[INFO] tweaked toml for git repo https://github.com/replicadse/ez_alphabet written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/replicadse/ez_alphabet on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/replicadse/ez_alphabet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking replicadse/ez_alphabet/1a381750b66c2134c40de2cb37497502026a4ff5 against try#53f0b05ecbcf011a1f77f1c627304e87ebd05801 for pr-154492
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Freplicadse%2Fez_alphabet" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc2/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/replicadse/ez_alphabet
[INFO] finished tweaking git repo https://github.com/replicadse/ez_alphabet
[INFO] tweaked toml for git repo https://github.com/replicadse/ez_alphabet written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/replicadse/ez_alphabet on toolchain 53f0b05ecbcf011a1f77f1c627304e87ebd05801
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/replicadse/ez_alphabet already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "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 rusty-hook v0.11.2
[INFO] [stderr]   Downloaded ryu v1.0.17
[INFO] [stderr]   Downloaded miniz_oxide v0.7.2
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.198
[INFO] [stderr]   Downloaded serde v1.0.198
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] [stderr]   Downloaded cc v1.0.95
[INFO] [stderr]   Downloaded serde_json v1.0.116
[INFO] [stderr]   Downloaded tokio v1.37.0
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5cd04428b11e8fabca45aeaab613445b05e3c70a73730ccb9a362dafb1813b1
[INFO] running `Command { std: "docker" "start" "-a" "e5cd04428b11e8fabca45aeaab613445b05e3c70a73730ccb9a362dafb1813b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5cd04428b11e8fabca45aeaab613445b05e3c70a73730ccb9a362dafb1813b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cd04428b11e8fabca45aeaab613445b05e3c70a73730ccb9a362dafb1813b1", kill_on_drop: false }`
[INFO] [stdout] e5cd04428b11e8fabca45aeaab613445b05e3c70a73730ccb9a362dafb1813b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+53f0b05ecbcf011a1f77f1c627304e87ebd05801" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160f8f715192e6c5aa652ba9e6afd57cf5cf64747ac8fd8194c4998056f5a52a
[INFO] running `Command { std: "docker" "start" "-a" "160f8f715192e6c5aa652ba9e6afd57cf5cf64747ac8fd8194c4998056f5a52a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling fsio v0.1.3
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling nias v0.5.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking ez_alphabet v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking envmnt v0.8.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]     Checking ci_info v0.10.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]    Compiling rusty-hook v0.11.2
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.06s
[INFO] running `Command { std: "docker" "inspect" "160f8f715192e6c5aa652ba9e6afd57cf5cf64747ac8fd8194c4998056f5a52a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160f8f715192e6c5aa652ba9e6afd57cf5cf64747ac8fd8194c4998056f5a52a", kill_on_drop: false }`
[INFO] [stdout] 160f8f715192e6c5aa652ba9e6afd57cf5cf64747ac8fd8194c4998056f5a52a