[INFO] fetching crate salsa 0.17.0-pre.1...
[INFO] checking salsa-0.17.0-pre.1 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate salsa 0.17.0-pre.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate salsa 0.17.0-pre.1 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate salsa 0.17.0-pre.1
[INFO] finished tweaking crates.io crate salsa 0.17.0-pre.1
[INFO] tweaked toml for crates.io crate salsa 0.17.0-pre.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate salsa 0.17.0-pre.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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 salsa-macros v0.17.0-pre.1
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90b6e507aa26a97dfbf16b33ed8b7e3e014eb3fd5f5154cbd11258be5b9a13ec
[INFO] running `Command { std: "docker" "start" "-a" "90b6e507aa26a97dfbf16b33ed8b7e3e014eb3fd5f5154cbd11258be5b9a13ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90b6e507aa26a97dfbf16b33ed8b7e3e014eb3fd5f5154cbd11258be5b9a13ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b6e507aa26a97dfbf16b33ed8b7e3e014eb3fd5f5154cbd11258be5b9a13ec", kill_on_drop: false }`
[INFO] [stdout] 90b6e507aa26a97dfbf16b33ed8b7e3e014eb3fd5f5154cbd11258be5b9a13ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44eb14addd96e487f64752e42cbc0fb2f8765f9ce1f71911b60766a4161d22a6
[INFO] running `Command { std: "docker" "start" "-a" "44eb14addd96e487f64752e42cbc0fb2f8765f9ce1f71911b60766a4161d22a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling salsa-macros v0.17.0-pre.1
[INFO] [stderr]     Checking salsa v0.17.0-pre.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.66s
[INFO] running `Command { std: "docker" "inspect" "44eb14addd96e487f64752e42cbc0fb2f8765f9ce1f71911b60766a4161d22a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44eb14addd96e487f64752e42cbc0fb2f8765f9ce1f71911b60766a4161d22a6", kill_on_drop: false }`
[INFO] [stdout] 44eb14addd96e487f64752e42cbc0fb2f8765f9ce1f71911b60766a4161d22a6