[INFO] cloning repository https://github.com/t-tonchim/iron-gcd
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t-tonchim/iron-gcd" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-tonchim%2Firon-gcd", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-tonchim%2Firon-gcd'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48eea87f08892effa292336ccad15bdd41877051
[INFO] testing t-tonchim/iron-gcd against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft-tonchim%2Firon-gcd" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t-tonchim/iron-gcd on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/t-tonchim/iron-gcd
[INFO] finished tweaking git repo https://github.com/t-tonchim/iron-gcd
[INFO] tweaked toml for git repo https://github.com/t-tonchim/iron-gcd written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/t-tonchim/iron-gcd already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 45821a8ae2950849c629c76948f33cebed6e01a926e9a51fa2ffb2a8c6714597
[INFO] running `Command { std: "docker" "start" "-a" "45821a8ae2950849c629c76948f33cebed6e01a926e9a51fa2ffb2a8c6714597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45821a8ae2950849c629c76948f33cebed6e01a926e9a51fa2ffb2a8c6714597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45821a8ae2950849c629c76948f33cebed6e01a926e9a51fa2ffb2a8c6714597", kill_on_drop: false }`
[INFO] [stdout] 45821a8ae2950849c629c76948f33cebed6e01a926e9a51fa2ffb2a8c6714597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d906b35c0d73a48967628bad63315160fcb9f2b1918a6caffc3b23b8bfec8329
[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" "d906b35c0d73a48967628bad63315160fcb9f2b1918a6caffc3b23b8bfec8329", kill_on_drop: false }`
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling route-recognizer v0.1.12
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling error v0.1.9
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling url v1.7.1
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling urlencoded v0.5.0
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 41.28s
[INFO] running `Command { std: "docker" "inspect" "d906b35c0d73a48967628bad63315160fcb9f2b1918a6caffc3b23b8bfec8329", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d906b35c0d73a48967628bad63315160fcb9f2b1918a6caffc3b23b8bfec8329", kill_on_drop: false }`
[INFO] [stdout] d906b35c0d73a48967628bad63315160fcb9f2b1918a6caffc3b23b8bfec8329
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f3756e6c0d9ca00ed4b9031888056f8844215bb532fd51fa7f94f0cc8e6464c1
[INFO] running `Command { std: "docker" "start" "-a" "f3756e6c0d9ca00ed4b9031888056f8844215bb532fd51fa7f94f0cc8e6464c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling iron-gcd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "f3756e6c0d9ca00ed4b9031888056f8844215bb532fd51fa7f94f0cc8e6464c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3756e6c0d9ca00ed4b9031888056f8844215bb532fd51fa7f94f0cc8e6464c1", kill_on_drop: false }`
[INFO] [stdout] f3756e6c0d9ca00ed4b9031888056f8844215bb532fd51fa7f94f0cc8e6464c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] f7bf1706aa7769c4e8072710f2e06c64f8065129381f68f485f09b908f23f183
[INFO] running `Command { std: "docker" "start" "-a" "f7bf1706aa7769c4e8072710f2e06c64f8065129381f68f485f09b908f23f183", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iron_gcd-49d96fb7e6779c63
[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" "f7bf1706aa7769c4e8072710f2e06c64f8065129381f68f485f09b908f23f183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7bf1706aa7769c4e8072710f2e06c64f8065129381f68f485f09b908f23f183", kill_on_drop: false }`
[INFO] [stdout] f7bf1706aa7769c4e8072710f2e06c64f8065129381f68f485f09b908f23f183