[INFO] cloning repository https://github.com/jaredly/unison.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaredly/unison.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredly%2Funison.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredly%2Funison.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78e660aae7f77b96e373efdd65f7d5d8da4822c3
[INFO] testing jaredly/unison.rs against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaredly%2Funison.rs" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jaredly/unison.rs on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jaredly/unison.rs
[INFO] finished tweaking git repo https://github.com/jaredly/unison.rs
[INFO] tweaked toml for git repo https://github.com/jaredly/unison.rs written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jaredly/unison.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v2.0.1
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[INFO] [stderr]   Downloaded rust-embed v5.6.0
[INFO] [stderr]   Downloaded rust-embed-utils v5.0.0
[INFO] [stderr]   Downloaded rust-embed-impl v5.6.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f78d95e1a85ae302c8286b2f459531f72131b46afdfe543cd3d575ba9e22a32
[INFO] running `Command { std: "docker" "start" "-a" "7f78d95e1a85ae302c8286b2f459531f72131b46afdfe543cd3d575ba9e22a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f78d95e1a85ae302c8286b2f459531f72131b46afdfe543cd3d575ba9e22a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f78d95e1a85ae302c8286b2f459531f72131b46afdfe543cd3d575ba9e22a32", kill_on_drop: false }`
[INFO] [stdout] 7f78d95e1a85ae302c8286b2f459531f72131b46afdfe543cd3d575ba9e22a32
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fe21b50f901f272bb0535e13ae5fc32793d57f59f048f241f54cbb010cd2b4f
[INFO] running `Command { std: "docker" "start" "-a" "2fe21b50f901f272bb0535e13ae5fc32793d57f59f048f241f54cbb010cd2b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
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[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling headers-core v0.2.0
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[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling headers v0.3.2
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling multipart v0.17.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling sized-chunks v0.6.2
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling rust-embed-impl v5.6.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]    Compiling rust-embed v5.6.0
[INFO] [stderr]    Compiling js-sys v0.3.44
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling tracing-futures v0.2.4
[INFO] [stderr]    Compiling web-sys v0.3.44
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling wasm-logger v0.2.0
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling futures-executor v0.3.5
[INFO] [stderr]    Compiling tokio-tungstenite v0.11.0
[INFO] [stderr]    Compiling futures v0.3.5
[INFO] [stderr]    Compiling unison_wasm v0.1.0 (/opt/rustwide/workdir/wasm)
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling unison_rs v0.1.0 (/opt/rustwide/workdir/bin)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> bin/src/branch.rs:495:18
[INFO] [stdout]     |
[INFO] [stdout] 495 |             for (k, v) in &item.terms.d1 {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> bin/src/chicken.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn pretty_list(mut left: usize, max_width: usize, items: &Vec<Chicken>) -> (String, usize) {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 56s
[INFO] running `Command { std: "docker" "inspect" "2fe21b50f901f272bb0535e13ae5fc32793d57f59f048f241f54cbb010cd2b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fe21b50f901f272bb0535e13ae5fc32793d57f59f048f241f54cbb010cd2b4f", kill_on_drop: false }`
[INFO] [stdout] 2fe21b50f901f272bb0535e13ae5fc32793d57f59f048f241f54cbb010cd2b4f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 161f889d7761ad6aa229bcb709793e1a475e23913733867a30172383145d2b4a
[INFO] running `Command { std: "docker" "start" "-a" "161f889d7761ad6aa229bcb709793e1a475e23913733867a30172383145d2b4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared v0.1.0 (/opt/rustwide/workdir/shared)
[INFO] [stderr]    Compiling unison_rs v0.1.0 (/opt/rustwide/workdir/bin)
[INFO] [stderr]    Compiling unison_wasm v0.1.0 (/opt/rustwide/workdir/wasm)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]    --> bin/src/branch.rs:495:18
[INFO] [stdout]     |
[INFO] [stdout] 495 |             for (k, v) in &item.terms.d1 {
[INFO] [stdout]     |                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> bin/src/chicken.rs:90:16
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn pretty_list(mut left: usize, max_width: usize, items: &Vec<Chicken>) -> (String, usize) {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.07s
[INFO] running `Command { std: "docker" "inspect" "161f889d7761ad6aa229bcb709793e1a475e23913733867a30172383145d2b4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "161f889d7761ad6aa229bcb709793e1a475e23913733867a30172383145d2b4a", kill_on_drop: false }`
[INFO] [stdout] 161f889d7761ad6aa229bcb709793e1a475e23913733867a30172383145d2b4a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 768d1a06e94759527a9827831c537212ed8339b0575793312c065257604e892d
[INFO] running `Command { std: "docker" "start" "-a" "768d1a06e94759527a9827831c537212ed8339b0575793312c065257604e892d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> bin/src/branch.rs:495:18
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 495 |             for (k, v) in &item.terms.d1 {
[INFO] [stdout] 
[INFO] [stderr]     |                  ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 0 tests
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]   --> bin/src/chicken.rs:90:16
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] running 0 tests
[INFO] [stderr] 90 | fn pretty_list(mut left: usize, max_width: usize, items: &Vec<Chicken>) -> (String, usize) {
[INFO] [stdout] 
[INFO] [stderr]    |                ----^^^^
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                |
[INFO] [stdout] 
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/shared-7e23981d58a496ea)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unison_rs-430315d93c752ef1)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unison_wasm-8cac5663de5f9c62)
[INFO] [stderr]    Doc-tests shared
[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] running `Command { std: "docker" "inspect" "768d1a06e94759527a9827831c537212ed8339b0575793312c065257604e892d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768d1a06e94759527a9827831c537212ed8339b0575793312c065257604e892d", kill_on_drop: false }`
[INFO] [stdout] 768d1a06e94759527a9827831c537212ed8339b0575793312c065257604e892d