[INFO] fetching crate nock 0.4.0...
[INFO] extracting crate nock 0.4.0 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/nock/0.4.0
[INFO] extracting crate nock 0.4.0 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/nock/0.4.0
[INFO] validating manifest of nock-0.4.0 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of nock-0.4.0 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing nock-0.4.0
[INFO] finished frobbing nock-0.4.0
[INFO] frobbed toml for nock-0.4.0 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/nock/0.4.0/Cargo.toml
[INFO] started frobbing nock-0.4.0
[INFO] finished frobbing nock-0.4.0
[INFO] frobbed toml for nock-0.4.0 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/nock/0.4.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing nock-0.4.0 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/nock/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] eec0121d62b26d0611e4d4fb376b14b3e2aa018cb73bd5d5e1852ffabbaee8f4
[INFO] running `"docker" "start" "-a" "eec0121d62b26d0611e4d4fb376b14b3e2aa018cb73bd5d5e1852ffabbaee8f4"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]    Compiling nock v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:554:32
[INFO] [stderr]     |
[INFO] [stderr] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:575:32
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  | /                         return match p.get() {
[INFO] [stderr] 94  | |                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | |                                 if a == b {
[INFO] [stderr] 96  | |                                     // Yes.
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr] 104 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `"docker" "inspect" "eec0121d62b26d0611e4d4fb376b14b3e2aa018cb73bd5d5e1852ffabbaee8f4"`
[INFO] running `"docker" "rm" "-f" "eec0121d62b26d0611e4d4fb376b14b3e2aa018cb73bd5d5e1852ffabbaee8f4"`
[INFO] [stdout] eec0121d62b26d0611e4d4fb376b14b3e2aa018cb73bd5d5e1852ffabbaee8f4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/nock/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 151b646e3145693dad8b2b6fa91237f4f67eca92b3f4de4d98d76f81c6a18c70
[INFO] running `"docker" "start" "-a" "151b646e3145693dad8b2b6fa91237f4f67eca92b3f4de4d98d76f81c6a18c70"`
[INFO] [stderr]    Compiling nock v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:554:32
[INFO] [stderr]     |
[INFO] [stderr] 554 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:575:32
[INFO] [stderr]     |
[INFO] [stderr] 575 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:747:21
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufRead`
[INFO] [stderr]  --> examples/repl.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, BufRead, Write};
[INFO] [stderr]   |                     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::hash::SipHasher::new': use `std::collections::hash_map::DefaultHasher` instead
[INFO] [stderr]    --> src/lib.rs:747:21
[INFO] [stderr]     |
[INFO] [stderr] 747 |         let mut s = hash::SipHasher::new();
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/nock.rs:93:25
[INFO] [stderr]     |
[INFO] [stderr] 93  | /                         return match p.get() {
[INFO] [stderr] 94  | |                             Shape::Cell(ref a, ref b) => {
[INFO] [stderr] 95  | |                                 if a == b {
[INFO] [stderr] 96  | |                                     // Yes.
[INFO] [stderr] ...   |
[INFO] [stderr] 103 | |                             _ => return Err(NockError(format!("same"))),
[INFO] [stderr] 104 | |                         };
[INFO] [stderr]     | |_________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.51s
[INFO] running `"docker" "inspect" "151b646e3145693dad8b2b6fa91237f4f67eca92b3f4de4d98d76f81c6a18c70"`
[INFO] running `"docker" "rm" "-f" "151b646e3145693dad8b2b6fa91237f4f67eca92b3f4de4d98d76f81c6a18c70"`
[INFO] [stdout] 151b646e3145693dad8b2b6fa91237f4f67eca92b3f4de4d98d76f81c6a18c70
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/nock/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 9e034aa390fb8f0bad6d9e523352784f2392f793c4c4256fc24d1e6f04a85bc7
[INFO] running `"docker" "start" "-a" "9e034aa390fb8f0bad6d9e523352784f2392f793c4c4256fc24d1e6f04a85bc7"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/nock-2d3ee584c8f4e0c8
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test tests::test_autocons ... ok
[INFO] [stdout] test tests::test_bigint ... ok
[INFO] [stdout] test digit_slice::tests::test_slice ... ok
[INFO] [stdout] test tests::test_bump ... ok
[INFO] [stdout] test tests::test_depth ... ok
[INFO] [stdout] test tests::test_fire ... ok
[INFO] [stdout] test tests::test_fold ... ok
[INFO] [stdout] test digit_slice::tests::test_msb ... ok
[INFO] [stdout] test tests::test_parser ... ok
[INFO] [stdout] test tests::test_if ... ok
[INFO] [stdout] test tests::test_just ... ok
[INFO] [stdout] test tests::test_same ... ok
[INFO] [stdout] test tests::test_misc_nock ... ok
[INFO] [stdout] test tests::test_mug ... ok
[INFO] [stdout] test tests::test_axis ... ok
[INFO] [stdout] test tests::test_cord ... ok
[INFO] [stdout] test tests::test_stack ... ok
[INFO] [stderr]    Doc-tests nock
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9e034aa390fb8f0bad6d9e523352784f2392f793c4c4256fc24d1e6f04a85bc7"`
[INFO] running `"docker" "rm" "-f" "9e034aa390fb8f0bad6d9e523352784f2392f793c4c4256fc24d1e6f04a85bc7"`
[INFO] [stdout] 9e034aa390fb8f0bad6d9e523352784f2392f793c4c4256fc24d1e6f04a85bc7