[INFO] cloning repository https://github.com/Embers-of-the-Fire/rust-std-ext
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Embers-of-the-Fire/rust-std-ext" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbers-of-the-Fire%2Frust-std-ext", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbers-of-the-Fire%2Frust-std-ext'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f61c3af9e3517d95945cea0a498c63283fde4c5c
[INFO] checking Embers-of-the-Fire/rust-std-ext against master#91c0823ee63e793d990bb9fed898dc95b5d6db51 for pr-125384-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEmbers-of-the-Fire%2Frust-std-ext" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Embers-of-the-Fire/rust-std-ext on toolchain 91c0823ee63e793d990bb9fed898dc95b5d6db51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Embers-of-the-Fire/rust-std-ext
[INFO] finished tweaking git repo https://github.com/Embers-of-the-Fire/rust-std-ext
[INFO] tweaked toml for git repo https://github.com/Embers-of-the-Fire/rust-std-ext written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Embers-of-the-Fire/rust-std-ext 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" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cadab73a45878008cc16cfe14063499b599924a4df0b8079cc15a460c704d4eb
[INFO] running `Command { std: "docker" "start" "-a" "cadab73a45878008cc16cfe14063499b599924a4df0b8079cc15a460c704d4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cadab73a45878008cc16cfe14063499b599924a4df0b8079cc15a460c704d4eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cadab73a45878008cc16cfe14063499b599924a4df0b8079cc15a460c704d4eb", kill_on_drop: false }`
[INFO] [stdout] cadab73a45878008cc16cfe14063499b599924a4df0b8079cc15a460c704d4eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+91c0823ee63e793d990bb9fed898dc95b5d6db51" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 38136d8b732c19a7724fc5d903557cc289d2fe267529c68fbdc8b20b6602775f
[INFO] running `Command { std: "docker" "start" "-a" "38136d8b732c19a7724fc5d903557cc289d2fe267529c68fbdc8b20b6602775f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num v0.4.2
[INFO] [stderr]     Checking rs-std-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "38136d8b732c19a7724fc5d903557cc289d2fe267529c68fbdc8b20b6602775f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38136d8b732c19a7724fc5d903557cc289d2fe267529c68fbdc8b20b6602775f", kill_on_drop: false }`
[INFO] [stdout] 38136d8b732c19a7724fc5d903557cc289d2fe267529c68fbdc8b20b6602775f