[INFO] fetching crate syn_str 0.1.58...
[INFO] testing syn_str-0.1.58 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate syn_str 0.1.58 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate syn_str 0.1.58 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate syn_str 0.1.58
[INFO] finished tweaking crates.io crate syn_str 0.1.58
[INFO] tweaked toml for crates.io crate syn_str 0.1.58 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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 fixed_len_str v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5124e2d7f717e4f3eb3e92114b1d2ad54f4d13e52155a74676e54d43f287f3e9
[INFO] running `Command { std: "docker" "start" "-a" "5124e2d7f717e4f3eb3e92114b1d2ad54f4d13e52155a74676e54d43f287f3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5124e2d7f717e4f3eb3e92114b1d2ad54f4d13e52155a74676e54d43f287f3e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5124e2d7f717e4f3eb3e92114b1d2ad54f4d13e52155a74676e54d43f287f3e9", kill_on_drop: false }`
[INFO] [stdout] 5124e2d7f717e4f3eb3e92114b1d2ad54f4d13e52155a74676e54d43f287f3e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4e8b1db933fc7e9eb3472d40f3bdd58b15b62bfe08417d87a0b271ae5c09242
[INFO] running `Command { std: "docker" "start" "-a" "a4e8b1db933fc7e9eb3472d40f3bdd58b15b62bfe08417d87a0b271ae5c09242", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.2.9
[INFO] [stderr]    Compiling syn_str v0.1.58 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "a4e8b1db933fc7e9eb3472d40f3bdd58b15b62bfe08417d87a0b271ae5c09242", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4e8b1db933fc7e9eb3472d40f3bdd58b15b62bfe08417d87a0b271ae5c09242", kill_on_drop: false }`
[INFO] [stdout] a4e8b1db933fc7e9eb3472d40f3bdd58b15b62bfe08417d87a0b271ae5c09242
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7c93f8fcc47cdacc369cad14644eef62abf833b963f216f04222e646c68b0c7
[INFO] running `Command { std: "docker" "start" "-a" "b7c93f8fcc47cdacc369cad14644eef62abf833b963f216f04222e646c68b0c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling syn_str v0.1.58 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "b7c93f8fcc47cdacc369cad14644eef62abf833b963f216f04222e646c68b0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c93f8fcc47cdacc369cad14644eef62abf833b963f216f04222e646c68b0c7", kill_on_drop: false }`
[INFO] [stdout] b7c93f8fcc47cdacc369cad14644eef62abf833b963f216f04222e646c68b0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e7faf5cd5b39c431020324f059675db04ecb911c6445ea5283c4600865516d4
[INFO] running `Command { std: "docker" "start" "-a" "0e7faf5cd5b39c431020324f059675db04ecb911c6445ea5283c4600865516d4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/syn_str-a70f3daa216dffac)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests syn_str
[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" "0e7faf5cd5b39c431020324f059675db04ecb911c6445ea5283c4600865516d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e7faf5cd5b39c431020324f059675db04ecb911c6445ea5283c4600865516d4", kill_on_drop: false }`
[INFO] [stdout] 0e7faf5cd5b39c431020324f059675db04ecb911c6445ea5283c4600865516d4