[INFO] fetching crate concord 0.0.0...
[INFO] testing concord-0.0.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate concord 0.0.0 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate concord 0.0.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concord 0.0.0
[INFO] finished tweaking crates.io crate concord 0.0.0
[INFO] tweaked toml for crates.io crate concord 0.0.0 written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a0c18f97b1fa4a5be81240d1989ca3edd21cf30cdb1d24effe72e6ffef3c737
[INFO] running `Command { std: "docker" "start" "-a" "9a0c18f97b1fa4a5be81240d1989ca3edd21cf30cdb1d24effe72e6ffef3c737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a0c18f97b1fa4a5be81240d1989ca3edd21cf30cdb1d24effe72e6ffef3c737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a0c18f97b1fa4a5be81240d1989ca3edd21cf30cdb1d24effe72e6ffef3c737", kill_on_drop: false }`
[INFO] [stdout] 9a0c18f97b1fa4a5be81240d1989ca3edd21cf30cdb1d24effe72e6ffef3c737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e607cb2daa11b33d12cb1ea4dacbbc8bfe6fbcde800145a8e1a2f9dc74ac11a
[INFO] running `Command { std: "docker" "start" "-a" "8e607cb2daa11b33d12cb1ea4dacbbc8bfe6fbcde800145a8e1a2f9dc74ac11a", kill_on_drop: false }`
[INFO] [stderr]    Compiling concord v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "8e607cb2daa11b33d12cb1ea4dacbbc8bfe6fbcde800145a8e1a2f9dc74ac11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e607cb2daa11b33d12cb1ea4dacbbc8bfe6fbcde800145a8e1a2f9dc74ac11a", kill_on_drop: false }`
[INFO] [stdout] 8e607cb2daa11b33d12cb1ea4dacbbc8bfe6fbcde800145a8e1a2f9dc74ac11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f9b8f7287f9e72774730735a3ed629ab2d901c7e4654ee962c7f46b0bc3bd2a
[INFO] running `Command { std: "docker" "start" "-a" "4f9b8f7287f9e72774730735a3ed629ab2d901c7e4654ee962c7f46b0bc3bd2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling concord v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "4f9b8f7287f9e72774730735a3ed629ab2d901c7e4654ee962c7f46b0bc3bd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f9b8f7287f9e72774730735a3ed629ab2d901c7e4654ee962c7f46b0bc3bd2a", kill_on_drop: false }`
[INFO] [stdout] 4f9b8f7287f9e72774730735a3ed629ab2d901c7e4654ee962c7f46b0bc3bd2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b9855497d3b71af29ac7f5e275dd1ba5d648c6a1286b4b9a445be4ed117ce9e3
[INFO] running `Command { std: "docker" "start" "-a" "b9855497d3b71af29ac7f5e275dd1ba5d648c6a1286b4b9a445be4ed117ce9e3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/concord-de42c518c0659146)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests concord
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b9855497d3b71af29ac7f5e275dd1ba5d648c6a1286b4b9a445be4ed117ce9e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9855497d3b71af29ac7f5e275dd1ba5d648c6a1286b4b9a445be4ed117ce9e3", kill_on_drop: false }`
[INFO] [stdout] b9855497d3b71af29ac7f5e275dd1ba5d648c6a1286b4b9a445be4ed117ce9e3