[INFO] fetching crate histo 1.0.0...
[INFO] checking histo-1.0.0 against master#a83f933a9da258cf037e3cab37cd486bfd861a7d for pr-125384-1
[INFO] extracting crate histo 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate histo 1.0.0 on toolchain a83f933a9da258cf037e3cab37cd486bfd861a7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate histo 1.0.0
[INFO] finished tweaking crates.io crate histo 1.0.0
[INFO] tweaked toml for crates.io crate histo 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate histo 1.0.0 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" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded env_logger v0.3.5
[INFO] [stderr]   Downloaded log v0.3.9
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded quickcheck v0.4.1
[INFO] [stderr]   Downloaded streaming-stats v0.1.29
[INFO] [stderr]   Downloaded memchr v0.1.11
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded thread-id v2.0.0
[INFO] [stderr]   Downloaded thread_local v0.2.7
[INFO] [stderr]   Downloaded utf8-ranges v0.1.3
[INFO] [stderr]   Downloaded regex-syntax v0.3.9
[INFO] [stderr]   Downloaded aho-corasick v0.5.3
[INFO] [stderr]   Downloaded regex v0.1.80
[INFO] [stderr]   Downloaded libc v0.2.128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d1429f4e6e4366203aa5d5bec1ccf3d3183c336b00d1567c59e7e7d1dfa8dff
[INFO] running `Command { std: "docker" "start" "-a" "0d1429f4e6e4366203aa5d5bec1ccf3d3183c336b00d1567c59e7e7d1dfa8dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d1429f4e6e4366203aa5d5bec1ccf3d3183c336b00d1567c59e7e7d1dfa8dff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d1429f4e6e4366203aa5d5bec1ccf3d3183c336b00d1567c59e7e7d1dfa8dff", kill_on_drop: false }`
[INFO] [stdout] 0d1429f4e6e4366203aa5d5bec1ccf3d3183c336b00d1567c59e7e7d1dfa8dff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+a83f933a9da258cf037e3cab37cd486bfd861a7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b38e19d3b2c825b6a63017685296c16e06b32b49f8c53d2aae4e24c972d04026
[INFO] running `Command { std: "docker" "start" "-a" "b38e19d3b2c825b6a63017685296c16e06b32b49f8c53d2aae4e24c972d04026", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking streaming-stats v0.1.29
[INFO] [stderr]     Checking histo v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "b38e19d3b2c825b6a63017685296c16e06b32b49f8c53d2aae4e24c972d04026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38e19d3b2c825b6a63017685296c16e06b32b49f8c53d2aae4e24c972d04026", kill_on_drop: false }`
[INFO] [stdout] b38e19d3b2c825b6a63017685296c16e06b32b49f8c53d2aae4e24c972d04026