[INFO] fetching crate tupletools 0.4.1...
[INFO] testing tupletools-0.4.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate tupletools 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate tupletools 0.4.1
[INFO] finished tweaking crates.io crate tupletools 0.4.1
[INFO] tweaked toml for crates.io crate tupletools 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tupletools 0.4.1 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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6a229a69b13d5b23638f92e58186910b85455472018d747747c94c57087b88da
[INFO] running `Command { std: "docker" "start" "-a" "6a229a69b13d5b23638f92e58186910b85455472018d747747c94c57087b88da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a229a69b13d5b23638f92e58186910b85455472018d747747c94c57087b88da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a229a69b13d5b23638f92e58186910b85455472018d747747c94c57087b88da", kill_on_drop: false }`
[INFO] [stdout] 6a229a69b13d5b23638f92e58186910b85455472018d747747c94c57087b88da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 99152f1d1ee5e4c4fe123c9b8b4d36ec844ecbc4a490fcf7169ee9abc42a0a32
[INFO] running `Command { std: "docker" "start" "-a" "99152f1d1ee5e4c4fe123c9b8b4d36ec844ecbc4a490fcf7169ee9abc42a0a32", kill_on_drop: false }`
[INFO] [stderr]    Compiling tupletools v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `FstTest` is never used
[INFO] [stdout]   --> src/fst.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait FstTest {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "99152f1d1ee5e4c4fe123c9b8b4d36ec844ecbc4a490fcf7169ee9abc42a0a32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99152f1d1ee5e4c4fe123c9b8b4d36ec844ecbc4a490fcf7169ee9abc42a0a32", kill_on_drop: false }`
[INFO] [stdout] 99152f1d1ee5e4c4fe123c9b8b4d36ec844ecbc4a490fcf7169ee9abc42a0a32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e5003544734e09ee943f919ec6adfff9fe8237f1d6a0a4230d47c101099cf770
[INFO] running `Command { std: "docker" "start" "-a" "e5003544734e09ee943f919ec6adfff9fe8237f1d6a0a4230d47c101099cf770", kill_on_drop: false }`
[INFO] [stdout] warning: trait `FstTest` is never used
[INFO] [stdout]   --> src/fst.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait FstTest {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tupletools v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `FstTest` is never used
[INFO] [stdout]   --> src/fst.rs:11:11
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait FstTest {
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "e5003544734e09ee943f919ec6adfff9fe8237f1d6a0a4230d47c101099cf770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5003544734e09ee943f919ec6adfff9fe8237f1d6a0a4230d47c101099cf770", kill_on_drop: false }`
[INFO] [stdout] e5003544734e09ee943f919ec6adfff9fe8237f1d6a0a4230d47c101099cf770
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c2623037dcb5a05132649e18105c6d306f2ca32123b2110b82964719ed78cde6
[INFO] running `Command { std: "docker" "start" "-a" "c2623037dcb5a05132649e18105c6d306f2ca32123b2110b82964719ed78cde6", kill_on_drop: false }`
[INFO] [stderr] warning: trait `FstTest` is never used
[INFO] [stderr]   --> src/fst.rs:11:11
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait FstTest {
[INFO] [stderr]    |           ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tupletools` (lib) generated 1 warning
[INFO] [stderr] warning: `tupletools` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tupletools-2a46159a88e88788)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::append ... ok
[INFO] [stdout] test tests::add ... ok
[INFO] [stdout] test tests::cast_one_to_one ... ok
[INFO] [stdout] test tests::fst_test ... ok
[INFO] [stdout] test tests::div ... ok
[INFO] [stdout] test tests::head_tail ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] test tests::pop_back ... ok
[INFO] [stdout] test tests::pop_front ... ok
[INFO] [stdout] test tests::prepend ... ok
[INFO] [stdout] test tests::snd_test ... ok
[INFO] [stdout] test tests::sub ... ok
[INFO] [stdout] test tests::trd_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tupletools
[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" "c2623037dcb5a05132649e18105c6d306f2ca32123b2110b82964719ed78cde6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2623037dcb5a05132649e18105c6d306f2ca32123b2110b82964719ed78cde6", kill_on_drop: false }`
[INFO] [stdout] c2623037dcb5a05132649e18105c6d306f2ca32123b2110b82964719ed78cde6