[INFO] fetching crate writeable 0.1.0...
[INFO] testing writeable-0.1.0 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate writeable 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate writeable 0.1.0 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 writeable 0.1.0
[INFO] finished tweaking crates.io crate writeable 0.1.0
[INFO] tweaked toml for crates.io crate writeable 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate writeable 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9673da3973fd184a2fac8983537b67464bda8c11293d088cd03dfcc3ba561021
[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" "9673da3973fd184a2fac8983537b67464bda8c11293d088cd03dfcc3ba561021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9673da3973fd184a2fac8983537b67464bda8c11293d088cd03dfcc3ba561021", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9673da3973fd184a2fac8983537b67464bda8c11293d088cd03dfcc3ba561021", kill_on_drop: false }`
[INFO] [stdout] 9673da3973fd184a2fac8983537b67464bda8c11293d088cd03dfcc3ba561021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] f5661a9601f705c23edc2f8fdd81dfac5c417c946d3571b185bec22f5ead6879
[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" "f5661a9601f705c23edc2f8fdd81dfac5c417c946d3571b185bec22f5ead6879", kill_on_drop: false }`
[INFO] [stderr]    Compiling writeable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "f5661a9601f705c23edc2f8fdd81dfac5c417c946d3571b185bec22f5ead6879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5661a9601f705c23edc2f8fdd81dfac5c417c946d3571b185bec22f5ead6879", kill_on_drop: false }`
[INFO] [stdout] f5661a9601f705c23edc2f8fdd81dfac5c417c946d3571b185bec22f5ead6879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] b7c783a2dd639c8b9eb5471f949ea72ec20f6ac3d1ca9b860f95f0bb797c12d6
[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" "b7c783a2dd639c8b9eb5471f949ea72ec20f6ac3d1ca9b860f95f0bb797c12d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.4
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling writeable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 50.76s
[INFO] running `Command { std: "docker" "inspect" "b7c783a2dd639c8b9eb5471f949ea72ec20f6ac3d1ca9b860f95f0bb797c12d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7c783a2dd639c8b9eb5471f949ea72ec20f6ac3d1ca9b860f95f0bb797c12d6", kill_on_drop: false }`
[INFO] [stdout] b7c783a2dd639c8b9eb5471f949ea72ec20f6ac3d1ca9b860f95f0bb797c12d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 15224785091cd629b68483113393faeb984d47f92809a490eacd3fd7ab26aa4c
[INFO] running `Command { std: "docker" "start" "-a" "15224785091cd629b68483113393faeb984d47f92809a490eacd3fd7ab26aa4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/writeable-070155578bb4855f
[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] [stderr]    Doc-tests writeable
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - assert_writeable_eq (line 52) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "15224785091cd629b68483113393faeb984d47f92809a490eacd3fd7ab26aa4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15224785091cd629b68483113393faeb984d47f92809a490eacd3fd7ab26aa4c", kill_on_drop: false }`
[INFO] [stdout] 15224785091cd629b68483113393faeb984d47f92809a490eacd3fd7ab26aa4c