[INFO] cloning repository https://github.com/sphynx/um
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sphynx/um" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Fum", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Fum'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b32223d3ab6eefc7d990f0b3307cada2cf978fa6
[INFO] testing sphynx/um against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphynx%2Fum" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sphynx/um on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sphynx/um
[INFO] finished tweaking git repo https://github.com/sphynx/um
[INFO] tweaked toml for git repo https://github.com/sphynx/um written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/sphynx/um already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", 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] 0d4f54381177c4b538c98d8d9e955daf3686927e49abc1b9e6a7a714e3aae29c
[INFO] running `Command { std: "docker" "start" "-a" "0d4f54381177c4b538c98d8d9e955daf3686927e49abc1b9e6a7a714e3aae29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d4f54381177c4b538c98d8d9e955daf3686927e49abc1b9e6a7a714e3aae29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d4f54381177c4b538c98d8d9e955daf3686927e49abc1b9e6a7a714e3aae29c", kill_on_drop: false }`
[INFO] [stdout] 0d4f54381177c4b538c98d8d9e955daf3686927e49abc1b9e6a7a714e3aae29c
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9512be13bde4cf4b3dc9bcbe9e53a5698e1308b7c022247239526ccde8d8ccc1
[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" "9512be13bde4cf4b3dc9bcbe9e53a5698e1308b7c022247239526ccde8d8ccc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling um v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "9512be13bde4cf4b3dc9bcbe9e53a5698e1308b7c022247239526ccde8d8ccc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9512be13bde4cf4b3dc9bcbe9e53a5698e1308b7c022247239526ccde8d8ccc1", kill_on_drop: false }`
[INFO] [stdout] 9512be13bde4cf4b3dc9bcbe9e53a5698e1308b7c022247239526ccde8d8ccc1
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 125edfe80d01bc4a7bc7efa7d39a267016f6b4e54765274fdd69178a88e78a38
[INFO] running `Command { std: "docker" "start" "-a" "125edfe80d01bc4a7bc7efa7d39a267016f6b4e54765274fdd69178a88e78a38", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling um v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "125edfe80d01bc4a7bc7efa7d39a267016f6b4e54765274fdd69178a88e78a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125edfe80d01bc4a7bc7efa7d39a267016f6b4e54765274fdd69178a88e78a38", kill_on_drop: false }`
[INFO] [stdout] 125edfe80d01bc4a7bc7efa7d39a267016f6b4e54765274fdd69178a88e78a38
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1a54f682b954e2eea1d2a6fb26c4103617ac0b5e1953f29d42995fb9428189b2
[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" "1a54f682b954e2eea1d2a6fb26c4103617ac0b5e1953f29d42995fb9428189b2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/um-bebbb227176fdf24)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test mem::tests::alloc ... ok
[INFO] [stdout] test mem::tests::fill_all_memory ... ignored
[INFO] [stdout] test mem::tests::len4 ... ok
[INFO] [stdout] test mem::tests::len2 ... ok
[INFO] [stdout] test mem::tests::write_and_read ... ok
[INFO] [stdout] test mem::tests::alloc_lowest ... ok
[INFO] [stdout] test mem::tests::init_with_zero ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/um-7381dafdb7a65208)
[INFO] [stdout] test mem::tests::read_err_offset - should panic ... ok
[INFO] [stdout] test mem::tests::read_err_addr - should panic ... ok
[INFO] [stdout] test mem::tests::double_free_err - should panic ... ok
[INFO] [stdout] test mem::tests::read_err_zero - should panic ... ok
[INFO] [stdout] test mem::tests::free_err - should panic ... ok
[INFO] [stdout] test mem::tests::free_err3 - should panic ... ok
[INFO] [stdout] test mem::tests::free_err2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests um
[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] [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" "1a54f682b954e2eea1d2a6fb26c4103617ac0b5e1953f29d42995fb9428189b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a54f682b954e2eea1d2a6fb26c4103617ac0b5e1953f29d42995fb9428189b2", kill_on_drop: false }`
[INFO] [stdout] 1a54f682b954e2eea1d2a6fb26c4103617ac0b5e1953f29d42995fb9428189b2