[INFO] fetching crate build-fs-tree 0.2.6...
[INFO] testing build-fs-tree-0.2.6 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate build-fs-tree 0.2.6 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate build-fs-tree 0.2.6 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate build-fs-tree 0.2.6
[INFO] finished tweaking crates.io crate build-fs-tree 0.2.6
[INFO] tweaked toml for crates.io crate build-fs-tree 0.2.6 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate build-fs-tree 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pipe-trait v0.3.2
[INFO] [stderr]   Downloaded structopt-utilities v0.0.8
[INFO] [stderr]   Downloaded text-block-macros v0.1.1
[INFO] [stderr]   Downloaded pipe-trait v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9dc483eec6b82e7dc59cd99cec55ac24bf9386205ef95ed8cb4fad7578f1072d
[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" "9dc483eec6b82e7dc59cd99cec55ac24bf9386205ef95ed8cb4fad7578f1072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9dc483eec6b82e7dc59cd99cec55ac24bf9386205ef95ed8cb4fad7578f1072d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dc483eec6b82e7dc59cd99cec55ac24bf9386205ef95ed8cb4fad7578f1072d", kill_on_drop: false }`
[INFO] [stdout] 9dc483eec6b82e7dc59cd99cec55ac24bf9386205ef95ed8cb4fad7578f1072d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fd640871bd63590159ff4d79aa3e8587b98dde58ec6225b28b196c95dfc849c
[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" "2fd640871bd63590159ff4d79aa3e8587b98dde58ec6225b28b196c95dfc849c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling pipe-trait v0.2.1
[INFO] [stderr]    Compiling pipe-trait v0.3.2
[INFO] [stderr]    Compiling text-block-macros v0.1.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling derive_more v0.99.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling structopt-utilities v0.0.8
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling build-fs-tree v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.99s
[INFO] running `Command { std: "docker" "inspect" "2fd640871bd63590159ff4d79aa3e8587b98dde58ec6225b28b196c95dfc849c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fd640871bd63590159ff4d79aa3e8587b98dde58ec6225b28b196c95dfc849c", kill_on_drop: false }`
[INFO] [stdout] 2fd640871bd63590159ff4d79aa3e8587b98dde58ec6225b28b196c95dfc849c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2b2643857f1821dc2eda2ec7da75d3d9bc10462a524384283707f5c6d374727
[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" "a2b2643857f1821dc2eda2ec7da75d3d9bc10462a524384283707f5c6d374727", kill_on_drop: false }`
[INFO] [stderr]    Compiling build-fs-tree v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "a2b2643857f1821dc2eda2ec7da75d3d9bc10462a524384283707f5c6d374727", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2b2643857f1821dc2eda2ec7da75d3d9bc10462a524384283707f5c6d374727", kill_on_drop: false }`
[INFO] [stdout] a2b2643857f1821dc2eda2ec7da75d3d9bc10462a524384283707f5c6d374727
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 303d29d3719b1ef16b4b048f384ab92cc8de6974d06848c547f53ff55097808c
[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" "303d29d3719b1ef16b4b048f384ab92cc8de6974d06848c547f53ff55097808c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/build_fs_tree-38818f680134deca)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/build_fs_tree-e14fcafc57a67432)
[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] [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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/build_fs_tree_completions-19c0310c424b60a0)
[INFO] [stderr]    Doc-tests build_fs_tree
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test lib.rs - (line 38) ... ok
[INFO] [stdout] test lib.rs - (line 9) ... ok
[INFO] [stdout] test macros.rs - file (line 195) ... ok
[INFO] [stdout] test macros.rs - file (line 187) ... ok
[INFO] [stdout] test macros.rs - dir (line 21) ... ok
[INFO] [stdout] test macros.rs - dir (line 53) ... ok
[INFO] [stdout] test macros.rs - file (line 175) ... ok
[INFO] [stdout] test macros.rs - dir (line 92) ... ok
[INFO] [stdout] test macros.rs - dir (line 124) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "303d29d3719b1ef16b4b048f384ab92cc8de6974d06848c547f53ff55097808c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303d29d3719b1ef16b4b048f384ab92cc8de6974d06848c547f53ff55097808c", kill_on_drop: false }`
[INFO] [stdout] 303d29d3719b1ef16b4b048f384ab92cc8de6974d06848c547f53ff55097808c