[INFO] fetching crate discard-while 0.1.6...
[INFO] testing discard-while-0.1.6 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate discard-while 0.1.6 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate discard-while 0.1.6
[INFO] finished tweaking crates.io crate discard-while 0.1.6
[INFO] tweaked toml for crates.io crate discard-while 0.1.6 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate discard-while 0.1.6 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f282da74592cb38e587347329d82df5b02899e2dbf877c4f27fc79121427b0a
[INFO] running `Command { std: "docker" "start" "-a" "8f282da74592cb38e587347329d82df5b02899e2dbf877c4f27fc79121427b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f282da74592cb38e587347329d82df5b02899e2dbf877c4f27fc79121427b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f282da74592cb38e587347329d82df5b02899e2dbf877c4f27fc79121427b0a", kill_on_drop: false }`
[INFO] [stdout] 8f282da74592cb38e587347329d82df5b02899e2dbf877c4f27fc79121427b0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dd66f81a820f4008096612ed8d046a174b6224184734de32de6e7a4c5f922c3
[INFO] running `Command { std: "docker" "start" "-a" "7dd66f81a820f4008096612ed8d046a174b6224184734de32de6e7a4c5f922c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling discard-while v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "7dd66f81a820f4008096612ed8d046a174b6224184734de32de6e7a4c5f922c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dd66f81a820f4008096612ed8d046a174b6224184734de32de6e7a4c5f922c3", kill_on_drop: false }`
[INFO] [stdout] 7dd66f81a820f4008096612ed8d046a174b6224184734de32de6e7a4c5f922c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5c986b8330dd5d655bab32cb468fe559c896322a40bf03f42905ecc79bfbc8c
[INFO] running `Command { std: "docker" "start" "-a" "e5c986b8330dd5d655bab32cb468fe559c896322a40bf03f42905ecc79bfbc8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling discard-while v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e5c986b8330dd5d655bab32cb468fe559c896322a40bf03f42905ecc79bfbc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5c986b8330dd5d655bab32cb468fe559c896322a40bf03f42905ecc79bfbc8c", kill_on_drop: false }`
[INFO] [stdout] e5c986b8330dd5d655bab32cb468fe559c896322a40bf03f42905ecc79bfbc8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 31ff5aa2dffea38b65470a8e73b6dc57098cce036894708e5e7daed79d98bbf4
[INFO] running `Command { std: "docker" "start" "-a" "31ff5aa2dffea38b65470a8e73b6dc57098cce036894708e5e7daed79d98bbf4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/discard_while-cd1684e67e957180)
[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] [stderr]    Doc-tests discard_while
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - DiscardWhile::discard_while (line 121) ... ok
[INFO] [stdout] test src/lib.rs - DiscardWhile::discard_while (line 111) ... ok
[INFO] [stdout] test src/lib.rs - discard_while (line 42) ... ok
[INFO] [stdout] test src/lib.rs - discard_while (line 52) ... ok
[INFO] [stdout] test src/lib.rs - discard_while (line 31) ... ok
[INFO] [stdout] test src/lib.rs - DiscardWhile::discard_while (line 100) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "31ff5aa2dffea38b65470a8e73b6dc57098cce036894708e5e7daed79d98bbf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ff5aa2dffea38b65470a8e73b6dc57098cce036894708e5e7daed79d98bbf4", kill_on_drop: false }`
[INFO] [stdout] 31ff5aa2dffea38b65470a8e73b6dc57098cce036894708e5e7daed79d98bbf4