[INFO] fetching crate e-write-buffer 0.6.1...
[INFO] testing e-write-buffer-0.6.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate e-write-buffer 0.6.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate e-write-buffer 0.6.1
[INFO] finished tweaking crates.io crate e-write-buffer 0.6.1
[INFO] tweaked toml for crates.io crate e-write-buffer 0.6.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate e-write-buffer 0.6.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate e-write-buffer 0.6.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80323a6fce7fbb19f838283a6e0002fb65372dbdd6e70d624113a6f931c0d9d9
[INFO] running `Command { std: "docker" "start" "-a" "80323a6fce7fbb19f838283a6e0002fb65372dbdd6e70d624113a6f931c0d9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80323a6fce7fbb19f838283a6e0002fb65372dbdd6e70d624113a6f931c0d9d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80323a6fce7fbb19f838283a6e0002fb65372dbdd6e70d624113a6f931c0d9d9", kill_on_drop: false }`
[INFO] [stdout] 80323a6fce7fbb19f838283a6e0002fb65372dbdd6e70d624113a6f931c0d9d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f843fd97a7f7d3776750d5bcdb4b0ad21265138118680ef74b9c5a0d339c3c9
[INFO] running `Command { std: "docker" "start" "-a" "6f843fd97a7f7d3776750d5bcdb4b0ad21265138118680ef74b9c5a0d339c3c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling e-write-buffer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "6f843fd97a7f7d3776750d5bcdb4b0ad21265138118680ef74b9c5a0d339c3c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f843fd97a7f7d3776750d5bcdb4b0ad21265138118680ef74b9c5a0d339c3c9", kill_on_drop: false }`
[INFO] [stdout] 6f843fd97a7f7d3776750d5bcdb4b0ad21265138118680ef74b9c5a0d339c3c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a062735f5622455b3a18374c4cd07fa9fbcdf0c43051890afc5fb8363ebab773
[INFO] running `Command { std: "docker" "start" "-a" "a062735f5622455b3a18374c4cd07fa9fbcdf0c43051890afc5fb8363ebab773", kill_on_drop: false }`
[INFO] [stderr]    Compiling e-write-buffer v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "a062735f5622455b3a18374c4cd07fa9fbcdf0c43051890afc5fb8363ebab773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a062735f5622455b3a18374c4cd07fa9fbcdf0c43051890afc5fb8363ebab773", kill_on_drop: false }`
[INFO] [stdout] a062735f5622455b3a18374c4cd07fa9fbcdf0c43051890afc5fb8363ebab773
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8300d8bb2085b6dacca28e8066fe54a9006ed6818bf9fd7a5eaa89c149da1367
[INFO] running `Command { std: "docker" "start" "-a" "8300d8bb2085b6dacca28e8066fe54a9006ed6818bf9fd7a5eaa89c149da1367", 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/e_write_buffer-448cc4a96114917b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_as_str_mut ... ok
[INFO] [stdout] test test::test_write_wrapper ... ok
[INFO] [stdout] test test::test_is_empty_is_full_and_overflow ... ok
[INFO] [stdout] test test::test_display ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests e_write_buffer
[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" "8300d8bb2085b6dacca28e8066fe54a9006ed6818bf9fd7a5eaa89c149da1367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8300d8bb2085b6dacca28e8066fe54a9006ed6818bf9fd7a5eaa89c149da1367", kill_on_drop: false }`
[INFO] [stdout] 8300d8bb2085b6dacca28e8066fe54a9006ed6818bf9fd7a5eaa89c149da1367