[INFO] cloning repository https://github.com/epage/git-stack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/epage/git-stack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fgit-stack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fgit-stack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 829f0e44d879fe05ed0a6ef02443edb164cb1d55
[INFO] checking epage/git-stack against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepage%2Fgit-stack" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/epage/git-stack on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking git repo https://github.com/epage/git-stack
[INFO] finished tweaking git repo https://github.com/epage/git-stack
[INFO] tweaked toml for git repo https://github.com/epage/git-stack written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/epage/git-stack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90bdb1db1c56dde9e792ca905a7bfe833a36df6c01b93dfbfca7a37b8780d494
[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" "90bdb1db1c56dde9e792ca905a7bfe833a36df6c01b93dfbfca7a37b8780d494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90bdb1db1c56dde9e792ca905a7bfe833a36df6c01b93dfbfca7a37b8780d494", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90bdb1db1c56dde9e792ca905a7bfe833a36df6c01b93dfbfca7a37b8780d494", kill_on_drop: false }`
[INFO] [stdout] 90bdb1db1c56dde9e792ca905a7bfe833a36df6c01b93dfbfca7a37b8780d494
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--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] 1a29edcf0e822aa2015c0157c53c157c76b8646aed00a45dc87bf707258cec4e
[INFO] running `Command { std: "docker" "start" "-a" "1a29edcf0e822aa2015c0157c53c157c76b8646aed00a45dc87bf707258cec4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]    Compiling pkg-config v0.3.21
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking proc-exit v1.0.2
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling schemars v0.8.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]     Checking concolor-query v0.0.4
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]     Checking radium v0.5.3
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking os_type v2.3.0
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking concolor-control v0.0.7
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]     Checking predicates v2.0.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling backtrace v0.3.62
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking git-config-env v0.1.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive_internals v0.25.0
[INFO] [stderr]     Checking git2 v0.13.23
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling schemars_derive v0.8.6
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking concolor-clap v0.0.6
[INFO] [stderr]     Checking clap-verbosity-flag v0.3.2
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking humantime-serde v1.0.1
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking assert_cmd v2.0.2
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking human-panic v1.0.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking git-stack v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking assert_fs v1.0.6
[INFO] [stderr]     Checking git-fixture v0.2.0 (/opt/rustwide/workdir/crates/git-fixture)
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]    --> src/bin/git-branch-stash/main.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     error: yansi::Style,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `warn`
[INFO] [stdout]    --> src/bin/git-branch-stash/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     warn: yansi::Style,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hint`
[INFO] [stdout]    --> src/bin/git-branch-stash/main.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     hint: yansi::Style,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `error`
[INFO] [stdout]    --> src/bin/git-branch-stash/main.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     error: yansi::Style,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `warn`
[INFO] [stdout]    --> src/bin/git-branch-stash/main.rs:153:5
[INFO] [stdout]     |
[INFO] [stdout] 153 |     warn: yansi::Style,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hint`
[INFO] [stdout]    --> src/bin/git-branch-stash/main.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     hint: yansi::Style,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "1a29edcf0e822aa2015c0157c53c157c76b8646aed00a45dc87bf707258cec4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a29edcf0e822aa2015c0157c53c157c76b8646aed00a45dc87bf707258cec4e", kill_on_drop: false }`
[INFO] [stdout] 1a29edcf0e822aa2015c0157c53c157c76b8646aed00a45dc87bf707258cec4e