[INFO] fetching crate cancel-rw 0.1.0...
[INFO] testing cancel-rw-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate cancel-rw 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate cancel-rw 0.1.0
[INFO] finished tweaking crates.io crate cancel-rw 0.1.0
[INFO] tweaked toml for crates.io crate cancel-rw 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cancel-rw 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cancel-rw 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19389cf8b3b372dd30cf8a1d4aed57e97f9806c2a875f134d2fb4ebcaca51978
[INFO] running `Command { std: "docker" "start" "-a" "19389cf8b3b372dd30cf8a1d4aed57e97f9806c2a875f134d2fb4ebcaca51978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19389cf8b3b372dd30cf8a1d4aed57e97f9806c2a875f134d2fb4ebcaca51978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19389cf8b3b372dd30cf8a1d4aed57e97f9806c2a875f134d2fb4ebcaca51978", kill_on_drop: false }`
[INFO] [stdout] 19389cf8b3b372dd30cf8a1d4aed57e97f9806c2a875f134d2fb4ebcaca51978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a35696a90833077e8badce9fa08d95704a507351204dd1096c1b7ba7c796097
[INFO] running `Command { std: "docker" "start" "-a" "4a35696a90833077e8badce9fa08d95704a507351204dd1096c1b7ba7c796097", kill_on_drop: false }`
[INFO] [stderr]    Compiling cancel-rw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "4a35696a90833077e8badce9fa08d95704a507351204dd1096c1b7ba7c796097", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a35696a90833077e8badce9fa08d95704a507351204dd1096c1b7ba7c796097", kill_on_drop: false }`
[INFO] [stdout] 4a35696a90833077e8badce9fa08d95704a507351204dd1096c1b7ba7c796097
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8cd1ca9f10e06e9e5fe1c26ca505bd766dac1d4c68ca402a67ab008f9987435
[INFO] running `Command { std: "docker" "start" "-a" "f8cd1ca9f10e06e9e5fe1c26ca505bd766dac1d4c68ca402a67ab008f9987435", kill_on_drop: false }`
[INFO] [stderr]    Compiling cancel-rw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "f8cd1ca9f10e06e9e5fe1c26ca505bd766dac1d4c68ca402a67ab008f9987435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cd1ca9f10e06e9e5fe1c26ca505bd766dac1d4c68ca402a67ab008f9987435", kill_on_drop: false }`
[INFO] [stdout] f8cd1ca9f10e06e9e5fe1c26ca505bd766dac1d4c68ca402a67ab008f9987435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7fa0ef0a1742c8762e2277e2c15f3a3b6d3cd22b1af740d238d93d6b9f23e2c9
[INFO] running `Command { std: "docker" "start" "-a" "7fa0ef0a1742c8762e2277e2c15f3a3b6d3cd22b1af740d238d93d6b9f23e2c9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/cancel_rw-bde29251e0efd809)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_read ... ok
[INFO] [stdout] test test::test_seek ... ok
[INFO] [stdout] test test::test_write ... ok
[INFO] [stdout] test test::test_guard ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cancel_rw
[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" "7fa0ef0a1742c8762e2277e2c15f3a3b6d3cd22b1af740d238d93d6b9f23e2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fa0ef0a1742c8762e2277e2c15f3a3b6d3cd22b1af740d238d93d6b9f23e2c9", kill_on_drop: false }`
[INFO] [stdout] 7fa0ef0a1742c8762e2277e2c15f3a3b6d3cd22b1af740d238d93d6b9f23e2c9