[INFO] cloning repository https://github.com/t1000ln/show_chars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/t1000ln/show_chars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft1000ln%2Fshow_chars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft1000ln%2Fshow_chars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9858e6b166cf4833e121e0386775a42a88d4f6e
[INFO] building t1000ln/show_chars against master#f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9 for pr-137044-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ft1000ln%2Fshow_chars" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/t1000ln/show_chars on toolchain f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/t1000ln/show_chars
[INFO] finished tweaking git repo https://github.com/t1000ln/show_chars
[INFO] tweaked toml for git repo https://github.com/t1000ln/show_chars written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/t1000ln/show_chars already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.115
[INFO] [stderr]   Downloaded syn v2.0.57
[INFO] [stderr]   Downloaded cmake v0.1.50
[INFO] [stderr]   Downloaded fluid-parser v0.1.15
[INFO] [stderr]   Downloaded fl2rust v0.5.19
[INFO] [stderr]   Downloaded fltk-table v0.3.1
[INFO] [stderr]   Downloaded fltk v1.4.26
[INFO] [stderr]   Downloaded fltk-sys v1.4.26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 407047eba412b04c296be5678a1f7887bd50eb5b7f0f359936517d0e478bfcb3
[INFO] running `Command { std: "docker" "start" "-a" "407047eba412b04c296be5678a1f7887bd50eb5b7f0f359936517d0e478bfcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "407047eba412b04c296be5678a1f7887bd50eb5b7f0f359936517d0e478bfcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407047eba412b04c296be5678a1f7887bd50eb5b7f0f359936517d0e478bfcb3", kill_on_drop: false }`
[INFO] [stdout] 407047eba412b04c296be5678a1f7887bd50eb5b7f0f359936517d0e478bfcb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3a6143233afab25c75972a5902df51a131bd7aa0889af263f03a794d0258b64
[INFO] running `Command { std: "docker" "start" "-a" "c3a6143233afab25c75972a5902df51a131bd7aa0889af263f03a794d0258b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling fluid-parser v0.1.15
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling ttf-parser v0.20.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling fl2rust v0.5.19
[INFO] [stderr]    Compiling show_chars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling fltk-sys v1.4.26
[INFO] [stderr]    Compiling crossbeam-channel v0.5.12
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling fltk v1.4.26
[INFO] [stderr]    Compiling fltk-table v0.3.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `Command { std: "docker" "inspect" "c3a6143233afab25c75972a5902df51a131bd7aa0889af263f03a794d0258b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3a6143233afab25c75972a5902df51a131bd7aa0889af263f03a794d0258b64", kill_on_drop: false }`
[INFO] [stdout] c3a6143233afab25c75972a5902df51a131bd7aa0889af263f03a794d0258b64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+f77247ac59b29ce927f4d2cd1c26a4b2d1d358c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1abaa7a4e4a7079eb2835e5d524ce2860ee449e313ffe791d81d15c4121ccfe
[INFO] running `Command { std: "docker" "start" "-a" "d1abaa7a4e4a7079eb2835e5d524ce2860ee449e313ffe791d81d15c4121ccfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling show_chars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "d1abaa7a4e4a7079eb2835e5d524ce2860ee449e313ffe791d81d15c4121ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1abaa7a4e4a7079eb2835e5d524ce2860ee449e313ffe791d81d15c4121ccfe", kill_on_drop: false }`
[INFO] [stdout] d1abaa7a4e4a7079eb2835e5d524ce2860ee449e313ffe791d81d15c4121ccfe