[INFO] cloning repository https://github.com/Monadic-Cat/mbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Monadic-Cat/mbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonadic-Cat%2Fmbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonadic-Cat%2Fmbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d5c6cbc1b6a1adf09c3591e592bcfd5c63b4248
[INFO] testing Monadic-Cat/mbot against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonadic-Cat%2Fmbot" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Monadic-Cat/mbot 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/Monadic-Cat/mbot
[INFO] finished tweaking git repo https://github.com/Monadic-Cat/mbot
[INFO] tweaked toml for git repo https://github.com/Monadic-Cat/mbot written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Monadic-Cat/mbot 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]     Updating git repository `https://github.com/Monadic-Cat/derive_more.git`
[INFO] [stderr]     Updating git repository `https://github.com/Monadic-Cat/fixed-str`
[INFO] [stderr]     Updating git repository `https://github.com/Monadic-Cat/foretry.git`
[INFO] [stderr]     Updating git repository `https://github.com/Monadic-Cat/pulldown-discordmark.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded checked v0.5.0
[INFO] [stderr]   Downloaded titlecase v1.1.0
[INFO] [stderr]   Downloaded comfy-table v1.6.0
[INFO] [stderr]   Downloaded derive-syn-parse v0.1.5
[INFO] [stderr]   Downloaded core_extensions v1.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 57747292bdb16ba3d51ca4e1106bf71ac54625fe8c03414bcffd7a6f6b25f6b6
[INFO] running `Command { std: "docker" "start" "-a" "57747292bdb16ba3d51ca4e1106bf71ac54625fe8c03414bcffd7a6f6b25f6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57747292bdb16ba3d51ca4e1106bf71ac54625fe8c03414bcffd7a6f6b25f6b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57747292bdb16ba3d51ca4e1106bf71ac54625fe8c03414bcffd7a6f6b25f6b6", kill_on_drop: false }`
[INFO] [stdout] 57747292bdb16ba3d51ca4e1106bf71ac54625fe8c03414bcffd7a6f6b25f6b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 4714dc8d07dca97b2aac9984f70eadc28bd54af1e34f03f444d94f6b5dc0e7cf
[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" "4714dc8d07dca97b2aac9984f70eadc28bd54af1e34f03f444d94f6b5dc0e7cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling derive_more v0.99.15-alpha.0 (https://github.com/Monadic-Cat/derive_more.git?branch=add-unwrap#a653f833)
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling float-ord v0.2.0
[INFO] [stderr]    Compiling plotters-backend v0.3.0
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling serenity v0.10.5
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2 (https://github.com/Monadic-Cat/pulldown-discordmark.git#649058f5)
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling core_extensions v1.3.3
[INFO] [stderr]    Compiling id-arena v2.2.1
[INFO] [stderr]    Compiling fixed-str v0.1.0 (https://github.com/Monadic-Cat/fixed-str?branch=melo#6319de13)
[INFO] [stderr]    Compiling foretry-impl v0.1.0 (https://github.com/Monadic-Cat/foretry.git#98e17a3f)
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.9
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling stb_truetype v0.3.1
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling deflate v0.8.6
[INFO] [stderr]    Compiling miniz_oxide v0.3.7
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling gif v0.10.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling foretry v0.1.0 (https://github.com/Monadic-Cat/foretry.git#98e17a3f)
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling regex v1.4.6
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling checked v0.5.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling png v0.15.3
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rusttype v0.8.3
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling image v0.22.5
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling freetype v0.4.1
[INFO] [stderr]    Compiling titlecase v1.1.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling servo-fontconfig v0.4.0
[INFO] [stderr]    Compiling pathfinder_geometry v0.5.1
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling font-kit v0.7.1
[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling webpki-roots v0.20.0
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling plotters-bitmap v0.3.0
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling command_attr v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling proc_macro_helpers v0.1.0 (/opt/rustwide/workdir/proc_macro_helpers)
[INFO] [stderr]    Compiling mice v0.10.0 (/opt/rustwide/workdir/mice)
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stdout] warning: function is never used: `explosion`
[INFO] [stdout]    --> mice/src/tree.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn explosion<T>() -> T {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tokio-util v0.6.6
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reloadable-plotter v0.1.0 (/opt/rustwide/workdir/reloadable-plotter)
[INFO] [stderr]    Compiling async-tungstenite v0.11.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling mbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling reqwest v0.11.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 32s
[INFO] running `Command { std: "docker" "inspect" "4714dc8d07dca97b2aac9984f70eadc28bd54af1e34f03f444d94f6b5dc0e7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4714dc8d07dca97b2aac9984f70eadc28bd54af1e34f03f444d94f6b5dc0e7cf", kill_on_drop: false }`
[INFO] [stdout] 4714dc8d07dca97b2aac9984f70eadc28bd54af1e34f03f444d94f6b5dc0e7cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a13cf84d53015352703f8ee049511bdabe022961d3df56ad9e6409b929680955
[INFO] running `Command { std: "docker" "start" "-a" "a13cf84d53015352703f8ee049511bdabe022961d3df56ad9e6409b929680955", kill_on_drop: false }`
[INFO] [stdout] warning: function is never used: `explosion`
[INFO] [stdout]    --> mice/src/tree.rs:248:4
[INFO] [stdout]     |
[INFO] [stdout] 248 | fn explosion<T>() -> T {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 23.49s
[INFO] running `Command { std: "docker" "inspect" "a13cf84d53015352703f8ee049511bdabe022961d3df56ad9e6409b929680955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a13cf84d53015352703f8ee049511bdabe022961d3df56ad9e6409b929680955", kill_on_drop: false }`
[INFO] [stdout] a13cf84d53015352703f8ee049511bdabe022961d3df56ad9e6409b929680955
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 19c2685323abe09c36d62b2c0ea308ea3595a024a2c601b9268b3c9e26047411
[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" "19c2685323abe09c36d62b2c0ea308ea3595a024a2c601b9268b3c9e26047411", 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] warning: function is never used: `explosion`
[INFO] [stderr]    --> mice/src/tree.rs:248:4
[INFO] [stderr]     |
[INFO] [stderr] 248 | fn explosion<T>() -> T {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mbot-53cc29bae3038a62)
[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" "19c2685323abe09c36d62b2c0ea308ea3595a024a2c601b9268b3c9e26047411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c2685323abe09c36d62b2c0ea308ea3595a024a2c601b9268b3c9e26047411", kill_on_drop: false }`
[INFO] [stdout] 19c2685323abe09c36d62b2c0ea308ea3595a024a2c601b9268b3c9e26047411