[INFO] fetching crate picobu 1.0.4...
[INFO] testing picobu-1.0.4 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate picobu 1.0.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate picobu 1.0.4 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate picobu 1.0.4
[INFO] finished tweaking crates.io crate picobu 1.0.4
[INFO] tweaked toml for crates.io crate picobu 1.0.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.5.2
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded syn v0.13.11
[INFO] [stderr]   Downloaded nix v0.18.0
[INFO] [stderr]   Downloaded proc-macro2 v0.3.8
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded derive_more v0.11.0
[INFO] [stderr]   Downloaded hotwatch v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb26bd5dc4bc4d339a570adabeebfec5720faa491ca78f082be5f359382f498
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9cb26bd5dc4bc4d339a570adabeebfec5720faa491ca78f082be5f359382f498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb26bd5dc4bc4d339a570adabeebfec5720faa491ca78f082be5f359382f498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb26bd5dc4bc4d339a570adabeebfec5720faa491ca78f082be5f359382f498", kill_on_drop: false }`
[INFO] [stdout] 9cb26bd5dc4bc4d339a570adabeebfec5720faa491ca78f082be5f359382f498
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 295c3cc046f22fbac1a2f16741aa94d56f28c7096986b768a8499ffb01701a9c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "295c3cc046f22fbac1a2f16741aa94d56f28c7096986b768a8499ffb01701a9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling net2 v0.2.36
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling derive_more v0.11.0
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling hotwatch v0.3.1
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling picobu v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.70s
[INFO] running `Command { std: "docker" "inspect" "295c3cc046f22fbac1a2f16741aa94d56f28c7096986b768a8499ffb01701a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295c3cc046f22fbac1a2f16741aa94d56f28c7096986b768a8499ffb01701a9c", kill_on_drop: false }`
[INFO] [stdout] 295c3cc046f22fbac1a2f16741aa94d56f28c7096986b768a8499ffb01701a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 411ad0ab5a3e756a48dfbcc3b2b41c2f177f0694c92311c7fa20cd705f1b1d8c
[INFO] running `Command { std: "docker" "start" "-a" "411ad0ab5a3e756a48dfbcc3b2b41c2f177f0694c92311c7fa20cd705f1b1d8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling picobu v1.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "411ad0ab5a3e756a48dfbcc3b2b41c2f177f0694c92311c7fa20cd705f1b1d8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411ad0ab5a3e756a48dfbcc3b2b41c2f177f0694c92311c7fa20cd705f1b1d8c", kill_on_drop: false }`
[INFO] [stdout] 411ad0ab5a3e756a48dfbcc3b2b41c2f177f0694c92311c7fa20cd705f1b1d8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa42c8d2342b35a832b7c831aac214e785b51a45afb4ecf3f81b7f7e4872aaa4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aa42c8d2342b35a832b7c831aac214e785b51a45afb4ecf3f81b7f7e4872aaa4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/picobu-61a3a34c0e27be5a
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa42c8d2342b35a832b7c831aac214e785b51a45afb4ecf3f81b7f7e4872aaa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa42c8d2342b35a832b7c831aac214e785b51a45afb4ecf3f81b7f7e4872aaa4", kill_on_drop: false }`
[INFO] [stdout] aa42c8d2342b35a832b7c831aac214e785b51a45afb4ecf3f81b7f7e4872aaa4