[INFO] cloning repository https://github.com/songzhi/shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/songzhi/shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongzhi%2Fshell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongzhi%2Fshell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 297fc80e2ae2b8115dd82d3e8ae499144bceeb15
[INFO] testing songzhi/shell against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsongzhi%2Fshell" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/songzhi/shell on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/songzhi/shell
[INFO] finished tweaking git repo https://github.com/songzhi/shell
[INFO] tweaked toml for git repo https://github.com/songzhi/shell written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/songzhi/shell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4cbad06897ad0cd9bbe228a3c0b8f0bfd3a414a7eaf81154becd4aab0f7cfa1b
[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" "4cbad06897ad0cd9bbe228a3c0b8f0bfd3a414a7eaf81154becd4aab0f7cfa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4cbad06897ad0cd9bbe228a3c0b8f0bfd3a414a7eaf81154becd4aab0f7cfa1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cbad06897ad0cd9bbe228a3c0b8f0bfd3a414a7eaf81154becd4aab0f7cfa1b", kill_on_drop: false }`
[INFO] [stdout] 4cbad06897ad0cd9bbe228a3c0b8f0bfd3a414a7eaf81154becd4aab0f7cfa1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27646f1c10ac265b136d786e8b1154ddde380e3f5ed7a7ff65890f1f157eaca5
[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" "27646f1c10ac265b136d786e8b1154ddde380e3f5ed7a7ff65890f1f157eaca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling dunce v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling shellexpand v1.1.1
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling rustyline v6.0.0
[INFO] [stderr]    Compiling nom_locate v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling enumflags2_derive v0.6.2
[INFO] [stderr]    Compiling nom-tracable-macros v0.4.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling enumflags2 v0.6.2
[INFO] [stderr]    Compiling nom-tracable v0.4.1
[INFO] [stderr]    Compiling bigdecimal v0.1.0
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/commands/classified/external.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stdout] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stdout] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "27646f1c10ac265b136d786e8b1154ddde380e3f5ed7a7ff65890f1f157eaca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27646f1c10ac265b136d786e8b1154ddde380e3f5ed7a7ff65890f1f157eaca5", kill_on_drop: false }`
[INFO] [stdout] 27646f1c10ac265b136d786e8b1154ddde380e3f5ed7a7ff65890f1f157eaca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c1e827dc9153eb8b8c47c8f663dd56b8aef4bdd0a63b043e2c20c9026e4cdef
[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" "2c1e827dc9153eb8b8c47c8f663dd56b8aef4bdd0a63b043e2c20c9026e4cdef", kill_on_drop: false }`
[INFO] [stderr]    Compiling shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/commands/classified/external.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stdout] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stdout] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/commands/classified/external.rs:151:5
[INFO] [stdout]     |
[INFO] [stdout] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stdout] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stdout]     | |____________________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stdout] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "2c1e827dc9153eb8b8c47c8f663dd56b8aef4bdd0a63b043e2c20c9026e4cdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1e827dc9153eb8b8c47c8f663dd56b8aef4bdd0a63b043e2c20c9026e4cdef", kill_on_drop: false }`
[INFO] [stdout] 2c1e827dc9153eb8b8c47c8f663dd56b8aef4bdd0a63b043e2c20c9026e4cdef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] fc09207bf37a10aa9357e11acaa357a1adffc5f7c6c0cad67fe17db6dfb95186
[INFO] running `Command { std: "docker" "start" "-a" "fc09207bf37a10aa9357e11acaa357a1adffc5f7c6c0cad67fe17db6dfb95186", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shell-c9252525b649e30a
[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] [stderr]      Running /opt/rustwide/target/debug/deps/shell-c72f237ff772c9de
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shell
[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] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> /opt/rustwide/workdir/src/commands/classified/external.rs:151:5
[INFO] [stderr]     |
[INFO] [stderr] 151 | /     (argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 | |         || (argument.starts_with('\'') && argument.ends_with('\'')))
[INFO] [stderr]     | |____________________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 151 |     argument.starts_with('"') && argument.ends_with('"')
[INFO] [stderr] 152 |         || (argument.starts_with('\'') && argument.ends_with('\''))
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "fc09207bf37a10aa9357e11acaa357a1adffc5f7c6c0cad67fe17db6dfb95186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc09207bf37a10aa9357e11acaa357a1adffc5f7c6c0cad67fe17db6dfb95186", kill_on_drop: false }`
[INFO] [stdout] fc09207bf37a10aa9357e11acaa357a1adffc5f7c6c0cad67fe17db6dfb95186