[INFO] fetching crate bastion 0.4.0...
[INFO] checking bastion-0.4.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate bastion 0.4.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate bastion 0.4.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bastion 0.4.0
[INFO] finished tweaking crates.io crate bastion 0.4.0
[INFO] tweaked toml for crates.io crate bastion 0.4.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate bastion 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.8
[INFO] [stderr]   Downloaded bastion-executor v0.3.5
[INFO] [stderr]   Downloaded nuclei v0.1.1
[INFO] [stderr]   Downloaded fastrand v1.3.3
[INFO] [stderr]   Downloaded signature v1.1.0
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded cuneiform-fields v0.1.0
[INFO] [stderr]   Downloaded cuneiform v0.1.1
[INFO] [stderr]   Downloaded lever v0.1.1-alpha.8
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded kaos v0.1.1-alpha.2
[INFO] [stderr]   Downloaded libp2p-core-derive v0.20.1
[INFO] [stderr]   Downloaded async-channel v1.1.1
[INFO] [stderr]   Downloaded parking v1.0.5
[INFO] [stderr]   Downloaded libp2p v0.22.0
[INFO] [stderr]   Downloaded sharded-slab v0.0.9
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded tracing-serde v0.1.1
[INFO] [stderr]   Downloaded artillery-core v0.1.2-alpha.3
[INFO] [stderr]   Downloaded event-listener v2.2.0
[INFO] [stderr]   Downloaded futures-lite v0.1.6
[INFO] [stderr]   Downloaded agnostik v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed757aef111444c1d306557b8ce4de5a1a551b54937b8874dfaae4e7f33cf74
[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" "3ed757aef111444c1d306557b8ce4de5a1a551b54937b8874dfaae4e7f33cf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed757aef111444c1d306557b8ce4de5a1a551b54937b8874dfaae4e7f33cf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed757aef111444c1d306557b8ce4de5a1a551b54937b8874dfaae4e7f33cf74", kill_on_drop: false }`
[INFO] [stdout] 3ed757aef111444c1d306557b8ce4de5a1a551b54937b8874dfaae4e7f33cf74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d527e21583d555d4e40b4ad7ab41a208a7857360c38a7dc457ed4a4725a0e372
[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" "d527e21583d555d4e40b4ad7ab41a208a7857360c38a7dc457ed4a4725a0e372", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.22
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking bastion-utils v0.3.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling snap v1.0.1
[INFO] [stderr]     Checking event-listener v2.2.0
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.11
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking sharded-slab v0.0.9
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking async-mutex v1.1.5
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lightproc v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking bastion-executor v0.3.5
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking agnostik v0.1.4
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling tracing-attributes v0.1.9
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking lever v0.1.1-alpha.8
[INFO] [stderr]     Checking tracing v0.1.16
[INFO] [stderr]     Checking pin-project v0.4.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking nuclei v0.1.1
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.8
[INFO] [stderr]     Checking bastion v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/children.rs:891:13
[INFO] [stdout]     |
[INFO] [stdout] 891 |         let mut state = ContextState::new();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/children.rs:890:16
[INFO] [stdout]     |
[INFO] [stdout] 890 |         #[warn(unused_mut)]
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/children.rs:891:13
[INFO] [stdout]     |
[INFO] [stdout] 891 |         let mut state = ContextState::new();
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/children.rs:890:16
[INFO] [stdout]     |
[INFO] [stdout] 890 |         #[warn(unused_mut)]
[INFO] [stdout]     |                ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 48s
[INFO] running `Command { std: "docker" "inspect" "d527e21583d555d4e40b4ad7ab41a208a7857360c38a7dc457ed4a4725a0e372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d527e21583d555d4e40b4ad7ab41a208a7857360c38a7dc457ed4a4725a0e372", kill_on_drop: false }`
[INFO] [stdout] d527e21583d555d4e40b4ad7ab41a208a7857360c38a7dc457ed4a4725a0e372