[INFO] cloning repository https://github.com/rogpeppe/fstream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rogpeppe/fstream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogpeppe%2Ffstream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogpeppe%2Ffstream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0ff9a8f019d583edc688d852f4894500b1daa31
[INFO] testing rogpeppe/fstream against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frogpeppe%2Ffstream" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rogpeppe/fstream on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rogpeppe/fstream
[INFO] finished tweaking git repo https://github.com/rogpeppe/fstream
[INFO] tweaked toml for git repo https://github.com/rogpeppe/fstream written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rogpeppe/fstream already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded doc-comment v0.3.3
[INFO] [stderr]   Downloaded async-recursion v0.3.2
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded tokio-macros v1.1.0
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded syn v1.0.70
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1277a6b42cbb61c1eed6974a6918ecd8c2b85b8b616f9305f2340190e652489a
[INFO] running `Command { std: "docker" "start" "-a" "1277a6b42cbb61c1eed6974a6918ecd8c2b85b8b616f9305f2340190e652489a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1277a6b42cbb61c1eed6974a6918ecd8c2b85b8b616f9305f2340190e652489a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1277a6b42cbb61c1eed6974a6918ecd8c2b85b8b616f9305f2340190e652489a", kill_on_drop: false }`
[INFO] [stdout] 1277a6b42cbb61c1eed6974a6918ecd8c2b85b8b616f9305f2340190e652489a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cbeb74553a0b6cf1d637db9aa88e1937a3e6a96a52209da130c7db357542836
[INFO] running `Command { std: "docker" "start" "-a" "8cbeb74553a0b6cf1d637db9aa88e1937a3e6a96a52209da130c7db357542836", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling async-recursion v0.3.2
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling fstream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.13s
[INFO] running `Command { std: "docker" "inspect" "8cbeb74553a0b6cf1d637db9aa88e1937a3e6a96a52209da130c7db357542836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cbeb74553a0b6cf1d637db9aa88e1937a3e6a96a52209da130c7db357542836", kill_on_drop: false }`
[INFO] [stdout] 8cbeb74553a0b6cf1d637db9aa88e1937a3e6a96a52209da130c7db357542836
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085a5c893374b3807e4f09616b77979de322b68d43894bac77ba999df3f6b7d1
[INFO] running `Command { std: "docker" "start" "-a" "085a5c893374b3807e4f09616b77979de322b68d43894bac77ba999df3f6b7d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling fstream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "085a5c893374b3807e4f09616b77979de322b68d43894bac77ba999df3f6b7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085a5c893374b3807e4f09616b77979de322b68d43894bac77ba999df3f6b7d1", kill_on_drop: false }`
[INFO] [stdout] 085a5c893374b3807e4f09616b77979de322b68d43894bac77ba999df3f6b7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c1a7c86ec997632f351dfa5655f4549ffacbb5925d5983883b1a198abb4f709
[INFO] running `Command { std: "docker" "start" "-a" "8c1a7c86ec997632f351dfa5655f4549ffacbb5925d5983883b1a198abb4f709", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fstream-de4c41bd1be727d5)
[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" "8c1a7c86ec997632f351dfa5655f4549ffacbb5925d5983883b1a198abb4f709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1a7c86ec997632f351dfa5655f4549ffacbb5925d5983883b1a198abb4f709", kill_on_drop: false }`
[INFO] [stdout] 8c1a7c86ec997632f351dfa5655f4549ffacbb5925d5983883b1a198abb4f709