[INFO] fetching crate cfgloader 0.1.1...
[INFO] checking cfgloader-0.1.1 against master#23718020b12d7e5a54f82a19910e8356ee719667 for pr-146013-1
[INFO] extracting crate cfgloader 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate cfgloader 0.1.1
[INFO] finished tweaking crates.io crate cfgloader 0.1.1
[INFO] tweaked toml for crates.io crate cfgloader 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cfgloader 0.1.1 on toolchain 23718020b12d7e5a54f82a19910e8356ee719667
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding dirs v4.0.0 (available: v6.0.0)
[INFO] [stderr]       Adding snafu v0.6.10 (available: v0.8.9)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "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 libredox v0.1.9
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded polyglot v0.2.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.26
[INFO] [stderr]   Downloaded dirs-sys v0.3.7
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded dirs v4.0.0
[INFO] [stderr]   Downloaded yaml-rust v0.4.5
[INFO] [stderr]   Downloaded redox_users v0.4.6
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 397da5d95f4bc8d4129ebef96568951ae79735f1b617dbcbaac5cad3e7754c97
[INFO] running `Command { std: "docker" "start" "-a" "397da5d95f4bc8d4129ebef96568951ae79735f1b617dbcbaac5cad3e7754c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "397da5d95f4bc8d4129ebef96568951ae79735f1b617dbcbaac5cad3e7754c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "397da5d95f4bc8d4129ebef96568951ae79735f1b617dbcbaac5cad3e7754c97", kill_on_drop: false }`
[INFO] [stdout] 397da5d95f4bc8d4129ebef96568951ae79735f1b617dbcbaac5cad3e7754c97
[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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+23718020b12d7e5a54f82a19910e8356ee719667" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f83711c38e33f640cf030e109dadbfbef4a71c7904412995c3e7c260f89bcdee
[INFO] running `Command { std: "docker" "start" "-a" "f83711c38e33f640cf030e109dadbfbef4a71c7904412995c3e7c260f89bcdee", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]    Compiling serde_json v1.0.143
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]     Checking snafu v0.6.10
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking polyglot v0.2.1
[INFO] [stderr]     Checking cfgloader v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "f83711c38e33f640cf030e109dadbfbef4a71c7904412995c3e7c260f89bcdee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f83711c38e33f640cf030e109dadbfbef4a71c7904412995c3e7c260f89bcdee", kill_on_drop: false }`
[INFO] [stdout] f83711c38e33f640cf030e109dadbfbef4a71c7904412995c3e7c260f89bcdee