[INFO] cloning repository https://github.com/Canop/btree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Canop/btree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c3f4dd5362bd10b4e0aae26c66e77716f9bd773e
[INFO] checking Canop/btree against master#db870ea71b6dcc7a91b999420b88f41d3cdd13e1 for pr-75192
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCanop%2Fbtree" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Canop/btree on toolchain db870ea71b6dcc7a91b999420b88f41d3cdd13e1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Canop/btree
[INFO] finished tweaking git repo https://github.com/Canop/btree
[INFO] tweaked toml for git repo https://github.com/Canop/btree written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Canop/btree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f29d8dce7241e7cb2a613febae4fb89bb49983703fd2d7988f98dfef9713f9e6
[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" "f29d8dce7241e7cb2a613febae4fb89bb49983703fd2d7988f98dfef9713f9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f29d8dce7241e7cb2a613febae4fb89bb49983703fd2d7988f98dfef9713f9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29d8dce7241e7cb2a613febae4fb89bb49983703fd2d7988f98dfef9713f9e6", kill_on_drop: false }`
[INFO] [stdout] f29d8dce7241e7cb2a613febae4fb89bb49983703fd2d7988f98dfef9713f9e6
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+db870ea71b6dcc7a91b999420b88f41d3cdd13e1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3fe6e83b59c0014f4b8d735b7c1904ef90ddb847b360016aee775bb44742f4b
[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" "c3fe6e83b59c0014f4b8d735b7c1904ef90ddb847b360016aee775bb44742f4b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking either v1.6.0
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[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking same-file v1.0.6
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[INFO] [stderr]    Compiling strsim v0.8.0
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[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
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[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling indexmap v1.5.1
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[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking directories v2.0.2
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[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
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[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling libz-sys v1.1.0
[INFO] [stderr]    Compiling onig_sys v69.5.0
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[INFO] [stderr]    Compiling ansi_colours v1.0.1
[INFO] [stderr]     Checking plist v1.0.0
[INFO] [stderr]     Checking simplelog v0.7.6
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking onig v6.0.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]    Compiling broot v0.20.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking git2 v0.11.0
[INFO] [stderr]     Checking image v0.23.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking termimad v0.8.26
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking syntect v4.4.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: unused import: `KeyCode::*`
[INFO] [stdout]    --> src/keys.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |         crossterm::event::{KeyCode::*, KeyEvent},
[INFO] [stdout]     |                            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 09s
[INFO] running `Command { std: "docker" "inspect" "c3fe6e83b59c0014f4b8d735b7c1904ef90ddb847b360016aee775bb44742f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3fe6e83b59c0014f4b8d735b7c1904ef90ddb847b360016aee775bb44742f4b", kill_on_drop: false }`
[INFO] [stdout] c3fe6e83b59c0014f4b8d735b7c1904ef90ddb847b360016aee775bb44742f4b