[INFO] fetching crate once 0.3.4...
[INFO] testing once-0.3.4 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate once 0.3.4 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate once 0.3.4 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 once 0.3.4
[INFO] finished tweaking crates.io crate once 0.3.4
[INFO] tweaked toml for crates.io crate once 0.3.4 written to /workspace/builds/worker-9/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] e21d6fdfbf01fb8e03c7ed82a5632942ce2cd03a025f6eb3b8e19baa37fe56c3
[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" "e21d6fdfbf01fb8e03c7ed82a5632942ce2cd03a025f6eb3b8e19baa37fe56c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e21d6fdfbf01fb8e03c7ed82a5632942ce2cd03a025f6eb3b8e19baa37fe56c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21d6fdfbf01fb8e03c7ed82a5632942ce2cd03a025f6eb3b8e19baa37fe56c3", kill_on_drop: false }`
[INFO] [stdout] e21d6fdfbf01fb8e03c7ed82a5632942ce2cd03a025f6eb3b8e19baa37fe56c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 599caa2471eb63a1e14646873566bc671e7cf6f5a718ba5e237ab9596caa1203
[INFO] running `Command { std: "docker" "start" "-a" "599caa2471eb63a1e14646873566bc671e7cf6f5a718ba5e237ab9596caa1203", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "599caa2471eb63a1e14646873566bc671e7cf6f5a718ba5e237ab9596caa1203", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "599caa2471eb63a1e14646873566bc671e7cf6f5a718ba5e237ab9596caa1203", kill_on_drop: false }`
[INFO] [stdout] 599caa2471eb63a1e14646873566bc671e7cf6f5a718ba5e237ab9596caa1203
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 55c36d930cec0e9ca00f487d64090fc82a2312b57e9b61f40068d225e3016863
[INFO] running `Command { std: "docker" "start" "-a" "55c36d930cec0e9ca00f487d64090fc82a2312b57e9b61f40068d225e3016863", kill_on_drop: false }`
[INFO] [stderr]    Compiling once v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "55c36d930cec0e9ca00f487d64090fc82a2312b57e9b61f40068d225e3016863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c36d930cec0e9ca00f487d64090fc82a2312b57e9b61f40068d225e3016863", kill_on_drop: false }`
[INFO] [stdout] 55c36d930cec0e9ca00f487d64090fc82a2312b57e9b61f40068d225e3016863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 52fa66c124252641ced92da7cb1d136d529662b24d41ea240bdc0b26b2ac5dcb
[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" "52fa66c124252641ced92da7cb1d136d529662b24d41ea240bdc0b26b2ac5dcb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/once-09eaaeccf407decc
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test_run_once ... ok
[INFO] [stdout] test test_run_once_different_fns ... ok
[INFO] [stdout] test test_hygiene1 ... ok
[INFO] [stdout] test test_hygiene2 ... ok
[INFO] [stdout] test test_run_twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests once
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - assert_has_not_been_called (line 36) ... ok
[INFO] [stdout] test src/lib.rs - assert_has_not_been_called (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "52fa66c124252641ced92da7cb1d136d529662b24d41ea240bdc0b26b2ac5dcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52fa66c124252641ced92da7cb1d136d529662b24d41ea240bdc0b26b2ac5dcb", kill_on_drop: false }`
[INFO] [stdout] 52fa66c124252641ced92da7cb1d136d529662b24d41ea240bdc0b26b2ac5dcb