[INFO] fetching crate cargo-tree 0.29.0...
[INFO] testing cargo-tree-0.29.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate cargo-tree 0.29.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cargo-tree 0.29.0 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 crates.io crate cargo-tree 0.29.0
[INFO] finished tweaking crates.io crate cargo-tree 0.29.0
[INFO] tweaked toml for crates.io crate cargo-tree 0.29.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cargo-tree 0.29.0 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] 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] e9eaf04a3b430d3e493373b05ca4dc348e3a0e30c3b72e6ea69a6e50e8a440f2
[INFO] running `Command { std: "docker" "start" "-a" "e9eaf04a3b430d3e493373b05ca4dc348e3a0e30c3b72e6ea69a6e50e8a440f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9eaf04a3b430d3e493373b05ca4dc348e3a0e30c3b72e6ea69a6e50e8a440f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9eaf04a3b430d3e493373b05ca4dc348e3a0e30c3b72e6ea69a6e50e8a440f2", kill_on_drop: false }`
[INFO] [stdout] e9eaf04a3b430d3e493373b05ca4dc348e3a0e30c3b72e6ea69a6e50e8a440f2
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70164372db583d3bb54772f476536152f7ecd1e2ee79f219b5961b9a4150e291
[INFO] running `Command { std: "docker" "start" "-a" "70164372db583d3bb54772f476536152f7ecd1e2ee79f219b5961b9a4150e291", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling anyhow v1.0.26
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.45
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.5
[INFO] [stderr]    Compiling structopt-derive v0.4.1
[INFO] [stderr]    Compiling structopt v0.3.8
[INFO] [stderr]    Compiling cargo_metadata v0.9.1
[INFO] [stderr]    Compiling cargo-tree v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "70164372db583d3bb54772f476536152f7ecd1e2ee79f219b5961b9a4150e291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70164372db583d3bb54772f476536152f7ecd1e2ee79f219b5961b9a4150e291", kill_on_drop: false }`
[INFO] [stdout] 70164372db583d3bb54772f476536152f7ecd1e2ee79f219b5961b9a4150e291
[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] [stdout] e7701021e5bc57f5f967f5f8f3db956f1a1de31d29dab92f5d7ca553997a81e3
[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" "e7701021e5bc57f5f967f5f8f3db956f1a1de31d29dab92f5d7ca553997a81e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-tree v0.29.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "e7701021e5bc57f5f967f5f8f3db956f1a1de31d29dab92f5d7ca553997a81e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7701021e5bc57f5f967f5f8f3db956f1a1de31d29dab92f5d7ca553997a81e3", kill_on_drop: false }`
[INFO] [stdout] e7701021e5bc57f5f967f5f8f3db956f1a1de31d29dab92f5d7ca553997a81e3
[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] 3f5bfc059b9120000dd0dff370f5ed34e39685c7b9d353480219c01bd6e96f08
[INFO] running `Command { std: "docker" "start" "-a" "3f5bfc059b9120000dd0dff370f5ed34e39685c7b9d353480219c01bd6e96f08", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cargo_tree-0823497df4cb6f4d
[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" "3f5bfc059b9120000dd0dff370f5ed34e39685c7b9d353480219c01bd6e96f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f5bfc059b9120000dd0dff370f5ed34e39685c7b9d353480219c01bd6e96f08", kill_on_drop: false }`
[INFO] [stdout] 3f5bfc059b9120000dd0dff370f5ed34e39685c7b9d353480219c01bd6e96f08