[INFO] fetching crate ser-write 0.3.1...
[INFO] testing ser-write-0.3.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate ser-write 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ser-write 0.3.1
[INFO] finished tweaking crates.io crate ser-write 0.3.1
[INFO] tweaked toml for crates.io crate ser-write 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ser-write 0.3.1 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 ser-write 0.3.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] e7b1c532a48c3daef084921398fff3613ff43909b174366551a73f9fd65f097a
[INFO] running `Command { std: "docker" "start" "-a" "e7b1c532a48c3daef084921398fff3613ff43909b174366551a73f9fd65f097a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b1c532a48c3daef084921398fff3613ff43909b174366551a73f9fd65f097a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b1c532a48c3daef084921398fff3613ff43909b174366551a73f9fd65f097a", kill_on_drop: false }`
[INFO] [stdout] e7b1c532a48c3daef084921398fff3613ff43909b174366551a73f9fd65f097a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1c4f0a1a7dd109a37af23f5de49e71fe2b1e45a5e832797d63563ee12fbee362
[INFO] running `Command { std: "docker" "start" "-a" "1c4f0a1a7dd109a37af23f5de49e71fe2b1e45a5e832797d63563ee12fbee362", kill_on_drop: false }`
[INFO] [stderr]    Compiling ser-write v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "1c4f0a1a7dd109a37af23f5de49e71fe2b1e45a5e832797d63563ee12fbee362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c4f0a1a7dd109a37af23f5de49e71fe2b1e45a5e832797d63563ee12fbee362", kill_on_drop: false }`
[INFO] [stdout] 1c4f0a1a7dd109a37af23f5de49e71fe2b1e45a5e832797d63563ee12fbee362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3106daae840fe837856f917b316ad1075ad2a09ef84182aa855956ff05058218
[INFO] running `Command { std: "docker" "start" "-a" "3106daae840fe837856f917b316ad1075ad2a09ef84182aa855956ff05058218", kill_on_drop: false }`
[INFO] [stderr]    Compiling ser-write v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "3106daae840fe837856f917b316ad1075ad2a09ef84182aa855956ff05058218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3106daae840fe837856f917b316ad1075ad2a09ef84182aa855956ff05058218", kill_on_drop: false }`
[INFO] [stdout] 3106daae840fe837856f917b316ad1075ad2a09ef84182aa855956ff05058218
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 874798235d6340a86ee76d32ccb25d1da3f8915383546b3b46c4c6a5a8670015
[INFO] running `Command { std: "docker" "start" "-a" "874798235d6340a86ee76d32ccb25d1da3f8915383546b3b46c4c6a5a8670015", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ser_write-21bdd374cc6b5fb1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test foreign::tests::test_ser_write_cursor ... ok
[INFO] [stdout] test foreign::tests::test_ser_write_vec ... ok
[INFO] [stdout] test tests::test_ser_error ... ok
[INFO] [stdout] test tests::test_slice_writer ... ok
[INFO] [stdout] test foreign::tests::test_ser_write_vec_deque ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ser_write
[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" "874798235d6340a86ee76d32ccb25d1da3f8915383546b3b46c4c6a5a8670015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874798235d6340a86ee76d32ccb25d1da3f8915383546b3b46c4c6a5a8670015", kill_on_drop: false }`
[INFO] [stdout] 874798235d6340a86ee76d32ccb25d1da3f8915383546b3b46c4c6a5a8670015