[INFO] fetching crate loon 0.3.4...
[INFO] checking loon-0.3.4 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate loon 0.3.4 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate loon 0.3.4 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loon 0.3.4
[INFO] finished tweaking crates.io crate loon 0.3.4
[INFO] tweaked toml for crates.io crate loon 0.3.4 written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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 strfmt v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca6d34f0bb9dabc46d8e9bd603be31efb7f53c1c94a116dfbed91505e008ef15
[INFO] running `Command { std: "docker" "start" "-a" "ca6d34f0bb9dabc46d8e9bd603be31efb7f53c1c94a116dfbed91505e008ef15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca6d34f0bb9dabc46d8e9bd603be31efb7f53c1c94a116dfbed91505e008ef15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6d34f0bb9dabc46d8e9bd603be31efb7f53c1c94a116dfbed91505e008ef15", kill_on_drop: false }`
[INFO] [stdout] ca6d34f0bb9dabc46d8e9bd603be31efb7f53c1c94a116dfbed91505e008ef15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e850cda82a0b048d9409650b9e4d319ffe518511dc3af0cd74bc9fbc4e5f553
[INFO] running `Command { std: "docker" "start" "-a" "7e850cda82a0b048d9409650b9e4d319ffe518511dc3af0cd74bc9fbc4e5f553", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking serde_yaml v0.8.19
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking loon v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.22s
[INFO] running `Command { std: "docker" "inspect" "7e850cda82a0b048d9409650b9e4d319ffe518511dc3af0cd74bc9fbc4e5f553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e850cda82a0b048d9409650b9e4d319ffe518511dc3af0cd74bc9fbc4e5f553", kill_on_drop: false }`
[INFO] [stdout] 7e850cda82a0b048d9409650b9e4d319ffe518511dc3af0cd74bc9fbc4e5f553